Pub Date : 2024-12-25DOI: 10.1016/j.clscn.2024.100201
Virginia Fani , Ilaria Bucci , Romeo Bandinelli , Elias Ribeiro da Silva
While direct logistics optimization is a common practice, reverse logistics management is frequently neglected. This study explores how reverse logistics configurations affect the environmental sustainability of global supply chains in the fashion industry. The paper addresses the gap in the literature regarding carbon footprint of hybrid configurations for return flows. A case study is conducted in an Italian luxury fashion company with global operations, and we use supply chain simulation to assess sustainability-focused network design alternatives. The findings reveal that decentralizing specific operations significantly reduces carbon footprint without compromising service levels or lead time, both critical aspects in such segment. This research emphasizes the importance of considering reverse logistics in the overall sustainability strategy of supply chains, offering practical insights for businesses seeking to balance environmental impact with operational efficiency in the fashion industry.
{"title":"Sustainable reverse logistics network design using simulation: Insights from the fashion industry","authors":"Virginia Fani , Ilaria Bucci , Romeo Bandinelli , Elias Ribeiro da Silva","doi":"10.1016/j.clscn.2024.100201","DOIUrl":"10.1016/j.clscn.2024.100201","url":null,"abstract":"<div><div>While direct logistics optimization is a common practice, reverse logistics management is frequently neglected. This study explores how reverse logistics configurations affect the environmental sustainability of global supply chains in the fashion industry. The paper addresses the gap in the literature regarding carbon footprint of hybrid configurations for return flows. A case study is conducted in an Italian luxury fashion company with global operations, and we use supply chain simulation to assess sustainability-focused network design alternatives. The findings reveal that decentralizing specific operations significantly reduces carbon footprint without compromising service levels or lead time, both critical aspects in such segment. This research emphasizes the importance of considering reverse logistics in the overall sustainability strategy of supply chains, offering practical insights for businesses seeking to balance environmental impact with operational efficiency in the fashion industry.</div></div>","PeriodicalId":100253,"journal":{"name":"Cleaner Logistics and Supply Chain","volume":"14 ","pages":"Article 100201"},"PeriodicalIF":6.9,"publicationDate":"2024-12-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143165966","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
To redefine the mobility and energy usage patterns in urban cities, the exponential rise in fast-charging loads of electric vehicles (EVs) necessitates a new operating paradigm. In this context, a competitive market emerges where multiple oligarchic Charging-as-a-Service (CaaS) providers vie for profit. However, analyzing such systems, especially in a long-term rolling horizon, poses significant challenges due to complex strategic interactions among multiple entities. This article proposes an agent-based model to analyze the evolution of spatial CaaS markets. Firstly, we propose a strategic pricing game among CaaS firms based on multinomial logit user choice model, and formally prove the existence of Nash equilibria. For equilibrium finding, an iterative algorithm method leveraging the Nikaido–Isoda function and Barzilai-Borwein step size rule is presented. Furthermore, an agent-based market simulation algorithm is developed to model investment decisions of CaaS firm agents based on equilibrium prices. The proposed model is validated using real world data from Shenzhen, and results indicate the efficacy of the equilibrium solving algorithm in reducing computational burden. This study reveals that deregulated competition among CaaS providers, while promoting social welfare, poses risks to long-term sustainability due to regional inequality and market saturation. Timely policy intervention is recommended to guide the sustainable evolution of the CaaS economy.
{"title":"Spatial dynamics and competitive pricing in charging-as-a-service markets: The quest for cleaner urban development","authors":"Guanyu Zhou , Qianyu Dong , Chenyang Feng , Youwei Jia","doi":"10.1016/j.clscn.2024.100199","DOIUrl":"10.1016/j.clscn.2024.100199","url":null,"abstract":"<div><div>To redefine the mobility and energy usage patterns in urban cities, the exponential rise in fast-charging loads of electric vehicles (EVs) necessitates a new operating paradigm. In this context, a competitive market emerges where multiple oligarchic Charging-as-a-Service (CaaS) providers vie for profit. However, analyzing such systems, especially in a long-term rolling horizon, poses significant challenges due to complex strategic interactions among multiple entities. This article proposes an agent-based model to analyze the evolution of spatial CaaS markets. Firstly, we propose a strategic pricing game among CaaS firms based on multinomial logit user choice model, and formally prove the existence of Nash equilibria. For equilibrium finding, an iterative algorithm method leveraging the Nikaido–Isoda function and Barzilai-Borwein step size rule is presented. Furthermore, an agent-based market simulation algorithm is developed to model investment decisions of CaaS firm agents based on equilibrium prices. The proposed model is validated using real world data from Shenzhen, and results indicate the efficacy of the equilibrium solving algorithm in reducing computational burden. This study reveals that deregulated competition among CaaS providers, while promoting social welfare, poses risks to long-term sustainability due to regional inequality and market saturation. Timely policy intervention is recommended to guide the sustainable evolution of the CaaS economy.</div></div>","PeriodicalId":100253,"journal":{"name":"Cleaner Logistics and Supply Chain","volume":"14 ","pages":"Article 100199"},"PeriodicalIF":6.9,"publicationDate":"2024-12-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143165967","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-12-01DOI: 10.1016/j.clscn.2024.100196
Nada Jabbour Al Maalouf , Jean Elia , Fawzi Boutros , Mohammad Balouza , Chadia Sawaya
This study’s main goal was to investigate the effects of sustainable practices on the operational performance of fresh products within Lebanon’s cold chain in terms of operational flexibility, product delivery, quality, and cost. This explanatory research employs a positivist philosophy, logical reasoning, a questionnaire, and a quantitative single-method approach to investigate the research hypotheses. The managers in charge of Lebanon-based businesses that run a cold supply chain for fruits and vegetables made up the target population. A sample of 136 managers filled out the survey. The results revealed a strong positive relationship between sustainable supply chain practices and operational flexibility, product quality, delivery, and cost. Due to their significant influence on operational performance, sustainable supply chain management practices are strongly advised for Lebanese businesses operating in the fruits and vegetables sector. Firms can improve their operational performance while incorporating sustainable practices all along their supply chain. These practices hold accountable all parties concerned with the production and distribution of food in Lebanon. This study contributes to the existing literature by providing empirical evidence on the impact of sustainable practices specifically within the Lebanese cold chain for fresh fruits and vegetables, highlighting its originality in addressing a gap in research on this critical sector.
{"title":"Sustainable practices and their impact on the operations of fresh fruits and vegetables market in the cold chain","authors":"Nada Jabbour Al Maalouf , Jean Elia , Fawzi Boutros , Mohammad Balouza , Chadia Sawaya","doi":"10.1016/j.clscn.2024.100196","DOIUrl":"10.1016/j.clscn.2024.100196","url":null,"abstract":"<div><div>This study’s main goal was to investigate the effects of sustainable practices on the operational performance of fresh products within Lebanon’s cold chain in terms of operational flexibility, product delivery, quality, and cost. This explanatory research employs a positivist philosophy, logical reasoning, a questionnaire, and a quantitative single-method approach to investigate the research hypotheses. The managers in charge of Lebanon-based businesses that run a cold supply chain for fruits and vegetables made up the target population. A sample of 136 managers filled out the survey. The results revealed a strong positive relationship between sustainable supply chain practices and operational flexibility, product quality, delivery, and cost. Due to their significant influence on operational performance, sustainable supply chain management practices are strongly advised for Lebanese businesses operating in the fruits and vegetables sector. Firms can improve their operational performance while incorporating sustainable practices all along their supply chain. These practices hold accountable all parties concerned with the production and distribution of food in Lebanon. This study contributes to the existing literature by providing empirical evidence on the impact of sustainable practices specifically within the Lebanese cold chain for fresh fruits and vegetables, highlighting its originality in addressing a gap in research on this critical sector.</div></div>","PeriodicalId":100253,"journal":{"name":"Cleaner Logistics and Supply Chain","volume":"13 ","pages":"Article 100196"},"PeriodicalIF":6.9,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142747643","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-12-01DOI: 10.1016/j.clscn.2024.100195
Johan Krisnanto Runtuk , Poh Kiat Ng , Shih Yin Ooi , Resista Vikaliana , Yelita Anggiane Iskandar , Muhammad Abdillah , Iwan Sukarno
Companies are increasingly required to adopt green supply chain practices to enhance their ecological footprint and financial viability, driven by global environmental concerns. This research focuses on resolving the contradictions faced in green supply chain management (GSCM) implementation through a combined application of the Theory of Inventive Problem Solving (TRIZ) and the Decision-Making Trial and Evaluation Laboratory (DEMATEL) methods. Five key contradictions were identified: regulatory enhancements vs. resource limitations, technological unreadiness vs. regulatory refinement, profitability vs. customer trust, collaboration vs. competitiveness, and green material prioritization vs. scarcity. The study proposes 18 inventive principles to address these contradictions, including strategies such as flexible technology adoption and market segmentation. DEMATEL is then applied to analyze the interactions between these principles, offering a structured model for strategic decision-making. The DEMATEL analysis revealed that government support plays the most critical role in driving green supply chain adoption, influencing other strategies significantly. This integrated approach provides practical guidance for stakeholders, helping to shape policies and improve GSCM implementation in industries, particularly within the packaging and paper products sector in Indonesia.
{"title":"Resolving contradictions in green supply chain management: A combined TRIZ and DEMATEL approach","authors":"Johan Krisnanto Runtuk , Poh Kiat Ng , Shih Yin Ooi , Resista Vikaliana , Yelita Anggiane Iskandar , Muhammad Abdillah , Iwan Sukarno","doi":"10.1016/j.clscn.2024.100195","DOIUrl":"10.1016/j.clscn.2024.100195","url":null,"abstract":"<div><div>Companies are increasingly required to adopt green supply chain practices to enhance their ecological footprint and financial viability, driven by global environmental concerns. This research focuses on resolving the contradictions faced in green supply chain management (GSCM) implementation through a combined application of the Theory of Inventive Problem Solving (TRIZ) and the Decision-Making Trial and Evaluation Laboratory (DEMATEL) methods. Five key contradictions were identified: regulatory enhancements vs. resource limitations, technological unreadiness vs. regulatory refinement, profitability vs. customer trust, collaboration vs. competitiveness, and green material prioritization vs. scarcity. The study proposes 18 inventive principles to address these contradictions, including strategies such as flexible technology adoption and market segmentation. DEMATEL is then applied to analyze the interactions between these principles, offering a structured model for strategic decision-making. The DEMATEL analysis revealed that government support plays the most critical role in driving green supply chain adoption, influencing other strategies significantly. This integrated approach provides practical guidance for stakeholders, helping to shape policies and improve GSCM implementation in industries, particularly within the packaging and paper products sector in Indonesia.</div></div>","PeriodicalId":100253,"journal":{"name":"Cleaner Logistics and Supply Chain","volume":"13 ","pages":"Article 100195"},"PeriodicalIF":6.9,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143102904","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-12-01DOI: 10.1016/j.clscn.2024.100187
Niloofar Katiraee, Nicola Berti, Ilaria Isolan, Martina Calzavara, Daria Battini
Selecting suppliers strategically is a critical challenge in supply chain design, particularly in a dynamic global marketplace where maintaining competitiveness and sustainability is essential. Supplier location is a key factor that significantly impacts supply chain sustainability. Hence, this study proposes a new Sustainable Joint Economic Lot Size (S-JELS) model that integrates average annual cost and total amount of emissions associated with annual activities related to both buyer and supplier. The developed model accounts for costs and emissions from the buyer’s purchasing, inventory management, and transportation activities, as well as from the supplier’s production, packaging, and delivery processes. Additionally, the model incorporates various transportation modes, including shipping, trucking, and rail, to more accurately assess the environmental impact of different supply chain strategies. The proposed JELS model can support managers performing sustainable purchasing decisions and assess a sustainable supplier selection. The developed model is applied in a leather case study characterized by high resource intensity, significant environmental impacts, and complex global logistics to accomplish supplier selection between one domestic and one international supplier, aiming to determine the most sustainable strategy in terms of cost and emission.
{"title":"A sustainable joint economic lot size model for supplier selection under carbon emissions: A case study","authors":"Niloofar Katiraee, Nicola Berti, Ilaria Isolan, Martina Calzavara, Daria Battini","doi":"10.1016/j.clscn.2024.100187","DOIUrl":"10.1016/j.clscn.2024.100187","url":null,"abstract":"<div><div>Selecting suppliers strategically is a critical challenge in supply chain design, particularly in a dynamic global marketplace where maintaining competitiveness and sustainability is essential. Supplier location is a key factor that significantly impacts supply chain sustainability. Hence, this study proposes a new Sustainable Joint Economic Lot Size (S-JELS) model that integrates average annual cost and total amount of emissions associated with annual activities related to both buyer and supplier. The developed model accounts for costs and emissions from the buyer’s purchasing, inventory management, and transportation activities, as well as from the supplier’s production, packaging, and delivery processes. Additionally, the model incorporates various transportation modes, including shipping, trucking, and rail, to more accurately assess the environmental impact of different supply chain strategies. The proposed JELS model can support managers performing sustainable purchasing decisions and assess a sustainable supplier selection. The developed model is applied in a leather case study characterized by high resource intensity, significant environmental impacts, and complex global logistics to accomplish supplier selection between one domestic and one international supplier, aiming to determine the most sustainable strategy in terms of cost and emission.</div></div>","PeriodicalId":100253,"journal":{"name":"Cleaner Logistics and Supply Chain","volume":"13 ","pages":"Article 100187"},"PeriodicalIF":6.9,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143103294","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-12-01DOI: 10.1016/j.clscn.2024.100197
Hanna Varvne
The shipping industry urgently requires new ways to mitigate its greenhouse gas emissions. To achieve this, literature has identified the necessity for integrating technical and operational measures, which require organization through management strategies. In recent years, Just-in-time (JIT) has been discussed as a potential solution to cut fuel consumption by slowing down ships and having them arrive just-in-time at ports, instead of waiting at anchor for berth. Analyzing this option requires defining the unit of change, a task that can benefit from institutional rhetoric to provide structure, highlight institutionalized myths, and identify potential avenues for implementing change. This study takes an empirical approach, incorporating extensive interviews and field observations. Through this, it becomes possible to identify four arguments against the use of JIT and two counterarguments in its favor. The concepts of trust and distrust become useful constructs in this argumentation concerning control and external circumstances. This study contributes to the advancement of sustainable practices in the maritime shipping industry by shedding light on JIT as a widely discussed fuel-efficiency strategy that demands further investigation.
{"title":"Anchoring current arrival practices in rhetoric: A study of just-in-time arrival of tanker ships","authors":"Hanna Varvne","doi":"10.1016/j.clscn.2024.100197","DOIUrl":"10.1016/j.clscn.2024.100197","url":null,"abstract":"<div><div>The shipping industry urgently requires new ways to mitigate its greenhouse gas emissions. To achieve this, literature has identified the necessity for integrating technical and operational measures, which require organization through management strategies. In recent years, Just-in-time (JIT) has been discussed as a potential solution to cut fuel consumption by slowing down ships and having them arrive just-in-time at ports, instead of waiting at anchor for berth. Analyzing this option requires defining the unit of change, a task that can benefit from institutional rhetoric to provide structure, highlight institutionalized myths, and identify potential avenues for implementing change. This study takes an empirical approach, incorporating extensive interviews and field observations. Through this, it becomes possible to identify four arguments against the use of JIT and two counterarguments in its favor. The concepts of trust and distrust become useful constructs in this argumentation concerning control and external circumstances. This study contributes to the advancement of sustainable practices in the maritime shipping industry by shedding light on JIT as a widely discussed fuel-efficiency strategy that demands further investigation.</div></div>","PeriodicalId":100253,"journal":{"name":"Cleaner Logistics and Supply Chain","volume":"14 ","pages":"Article 100197"},"PeriodicalIF":6.9,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143165964","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-11-21DOI: 10.1016/j.clscn.2024.100186
Punya Chatterjee , Rahul Pandey , Yi Liu , Mehdi Amini
In recent years, the frequency and extent of supply disruptions have caused serious challenges for supply chains worldwide. To address the resulting supply–demand mismatches, supply chain partners regularly have employed various pricing strategies. First, this study focuses on presenting an optimal pricing model and analysis for a retailer in a monopoly market under supply disruption, which impacts the offerings of two substitutable products with different degrees of greenness. Next, the study presents and analyzes optimal pricing decisions for a retailer in a duopoly market, where two competing retailers have similar product offerings. Results for the monopoly market indicate that as the disruption duration increases, to compensate for the increased waiting time, the price of the greener product should decrease, while the price of the less green product may either increase or decrease depending on the consumer’s sensitivity to price and wait times. In addition, the price difference between the products grows with the disparity in their degrees of greenness. In a duopoly market, the non-disrupted retailer can capitalize on their competitors’ supply issues by adjusting their pricing strategies accordingly. Sensitivity analyses conducted under both monopoly and duopoly markets reveal the impacts of critical factors individually and in combinations. These findings provide actionable insights for retailers to strategically manage product pricing and demand in the face of green supply chain disruptions.
{"title":"Optimal pricing policy for green products under supply disruption","authors":"Punya Chatterjee , Rahul Pandey , Yi Liu , Mehdi Amini","doi":"10.1016/j.clscn.2024.100186","DOIUrl":"10.1016/j.clscn.2024.100186","url":null,"abstract":"<div><div>In recent years, the frequency and extent of supply disruptions have caused serious challenges for supply chains worldwide. To address the resulting supply–demand mismatches, supply chain partners regularly have employed various pricing strategies. First, this study focuses on presenting an optimal pricing model and analysis for a retailer in a monopoly market under supply disruption, which impacts the offerings of two substitutable products with different degrees of greenness. Next, the study presents and analyzes optimal pricing decisions for a retailer in a duopoly market, where two competing retailers have similar product offerings. Results for the monopoly market indicate that as the disruption duration increases, to compensate for the increased waiting time, the price of the greener product should decrease, while the price of the less green product may either increase or decrease depending on the consumer’s sensitivity to price and wait times. In addition, the price difference between the products grows with the disparity in their degrees of greenness. In a duopoly market, the non-disrupted retailer can capitalize on their competitors’ supply issues by adjusting their pricing strategies accordingly. Sensitivity analyses conducted under both monopoly and duopoly markets reveal the impacts of critical factors individually and in combinations. These findings provide actionable insights for retailers to strategically manage product pricing and demand in the face of green supply chain disruptions.</div></div>","PeriodicalId":100253,"journal":{"name":"Cleaner Logistics and Supply Chain","volume":"13 ","pages":"Article 100186"},"PeriodicalIF":6.9,"publicationDate":"2024-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142723444","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-11-19DOI: 10.1016/j.clscn.2024.100194
Herbert Jodlbauer , Matthias Thürer , Ann-Kristin Thienemann
Environmental sustainability is a main research topic in supply chain management, including sustainable, green, closed-loop, and circular supply chain management concepts. A distinctive feature in concept evolution is the increase in tiers of a supply chain included in the reuse or recycling loop. However, most research focuses on dyadic or triadic supply chain structures. Where to close the loop, i.e., where to position the recycler, repurposer, remanufacturer, refurbisher, repairer, and/or reuser, in multi-tier supply chains remains largely unanswered. In response, this study assesses cost and revenue sharing by analytically modeling monetary flows in linear and circular multi-tier supply chains using linear and circular supply chain models and cost-profit theory to derive equations describing monetary flows between the supply chain tiers and external entities. Results show that firms upstream of the loop-closer are negatively affected by the reuse of material, which leads to an increasingly negative impact on the total profit of the supply chain the further downstream the loop-closer is positioned. This has important theoretical and practical implications since upstream suppliers may leave circular supply chains for linear ones if no offset mechanism is provided. There is no difference between linear and circular supply chains for tiers downstream of the loop-closer level. This effect is normally not considered in the literature, focusing on shorter supply chain structures where all firms are connected to the loop. The most important findings and implications are: If the loop-closer is positioned near the OEM tier or external customer, the total personnel, assets costs and total profits decrease in the circular supply chain compared to the linear supply chain. If the loop-closer is positioned at the most upstream tier level, the total personnel and assets costs, and total profits increase.
{"title":"On cost and revenue in circular supply chains: Where to close the loop?","authors":"Herbert Jodlbauer , Matthias Thürer , Ann-Kristin Thienemann","doi":"10.1016/j.clscn.2024.100194","DOIUrl":"10.1016/j.clscn.2024.100194","url":null,"abstract":"<div><div>Environmental sustainability is a main research topic in supply chain management, including sustainable, green, closed-loop, and circular supply chain management concepts. A distinctive feature in concept evolution is the increase in tiers of a supply chain included in the reuse or recycling loop. However, most research focuses on dyadic or triadic supply chain structures. Where to close the loop, i.e., where to position the recycler, repurposer, remanufacturer, refurbisher, repairer, and/or reuser, in multi-tier supply chains remains largely unanswered. In response, this study assesses cost and revenue sharing by analytically modeling monetary flows in linear and circular multi-tier supply chains using linear and circular supply chain models and cost-profit theory to derive equations describing monetary flows between the supply chain tiers and external entities. Results show that firms upstream of the loop-closer are negatively affected by the reuse of material, which leads to an increasingly negative impact on the total profit of the supply chain the further downstream the loop-closer is positioned. This has important theoretical and practical implications since upstream suppliers may leave circular supply chains for linear ones if no offset mechanism is provided. There is no difference between linear and circular supply chains for tiers downstream of the loop-closer level. This effect is normally not considered in the literature, focusing on shorter supply chain structures where all firms are connected to the loop. The most important findings and implications are: If the loop-closer is positioned near the OEM tier or external customer, the total personnel, assets costs and total profits decrease in the circular supply chain compared to the linear supply chain. If the loop-closer is positioned at the most upstream tier level, the total personnel and assets costs, and total profits increase.</div></div>","PeriodicalId":100253,"journal":{"name":"Cleaner Logistics and Supply Chain","volume":"13 ","pages":"Article 100194"},"PeriodicalIF":6.9,"publicationDate":"2024-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142707075","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-11-19DOI: 10.1016/j.clscn.2024.100192
Makoena Sebatjane , Leopoldo Eduardo Cárdenas-Barrón , Amir Hossein Nobil
Industrial-scale food production systems often comprise of different parties such as farmers, processors and retailers involved in various activities along the supply chain. These activities are aimed at converting growing items such as crops and livestock into processed and packaged food products that are safe for human consumption. This paper develops inventory models for a three-echelon food supply chain comprising of growing items. The items are grown at the farming echelon, then processed at the processing echelon and finally sold at the retail echelon provided that the various activities that take place at each of those echelons result in the release of carbon emissions. Furthermore, the customers at the retail echelon are both price-conscious and environmentally-conscious and therefore, demand is assumed to be a function of the retail selling price and the amount of carbon emissions released. The inventory system is studied under three different carbon emissions regulations, namely, carbon cap, carbon cap-and-trade and carbon tax regulations. The results from a numerical analysis indicate that the carbon cap-and-trade regulation yields the highest supply chain profit. Moreover, while both carbon cap-and-trade and carbon tax regulations are effective at minimising carbon emissions generated across the supply chain, the cap-and-trade regulation is better at incentivising the supply chain members to reduce their carbon footprint.
{"title":"Sustainable inventory models for a three-echelon food supply chain with growing items and price- and carbon emissions-dependent demand under different emissions regulations","authors":"Makoena Sebatjane , Leopoldo Eduardo Cárdenas-Barrón , Amir Hossein Nobil","doi":"10.1016/j.clscn.2024.100192","DOIUrl":"10.1016/j.clscn.2024.100192","url":null,"abstract":"<div><div>Industrial-scale food production systems often comprise of different parties such as farmers, processors and retailers involved in various activities along the supply chain. These activities are aimed at converting growing items such as crops and livestock into processed and packaged food products that are safe for human consumption. This paper develops inventory models for a three-echelon food supply chain comprising of growing items. The items are grown at the farming echelon, then processed at the processing echelon and finally sold at the retail echelon provided that the various activities that take place at each of those echelons result in the release of carbon emissions. Furthermore, the customers at the retail echelon are both price-conscious and environmentally-conscious and therefore, demand is assumed to be a function of the retail selling price and the amount of carbon emissions released. The inventory system is studied under three different carbon emissions regulations, namely, carbon cap, carbon cap-and-trade and carbon tax regulations. The results from a numerical analysis indicate that the carbon cap-and-trade regulation yields the highest supply chain profit. Moreover, while both carbon cap-and-trade and carbon tax regulations are effective at minimising carbon emissions generated across the supply chain, the cap-and-trade regulation is better at incentivising the supply chain members to reduce their carbon footprint.</div></div>","PeriodicalId":100253,"journal":{"name":"Cleaner Logistics and Supply Chain","volume":"13 ","pages":"Article 100192"},"PeriodicalIF":6.9,"publicationDate":"2024-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142707077","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-11-17DOI: 10.1016/j.clscn.2024.100193
Megi Gega , Julia Höhler , Jos Bijman , Alfons G.J.M. Oude Lansink
Sustainability challenges have led to a growing interest in agri-food sustainability performance and the role of ownership structures in it. Ownership has significant implications by defining how owners reflect their goals and ownership costs into firm objectives, decision time horizons, risk preferences, and interactions with supply chain partners. Current literature shows conflicting results on the relationship and a lack of consistent definitions and measurements. Previous reviews have focused on one ownership structure, one sustainability pillar, have not addressed theory application or the context of the agri-food sector. This paper addresses this fragmented literature by providing a systematic assessment of conceptualisations and measures, theories used, linking empirical evidence and theoretical arguments to understand how ownership explains differences in sustainability performance. A systematically rigorous PRISMA methodology utilising thematic and narrative synthesis is applied. The synthesis reveals that ownership can positively affect one area of sustainability but negatively affect another. Theories explain how ownership shapes unique firm characteristics that, in turn influence sustainability performance. Firm goals, capital structure, governance system, and business strategy are significant explanatory factors for sustainability performance. The paper concludes with suggestions for future research to aid comparison between studies and generalisation of conclusions.
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