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Innovation in informal creative industries: The case of Indonesia's creative kampongs
IF 6 1区 经济学 Q1 URBAN STUDIES Pub Date : 2025-03-02 DOI: 10.1016/j.cities.2025.105805
Adiwan F. Aritenang , Zalfa Fadilla Anjani , Pingkan Safitri , Fikri Zul Fahmi , Ana Maria Bustamante Duarte , Karin Pfeffer , Ana Mafalda Madureira , Dadan Ramdan , Ari Nurman
In many Global South countries, creative industries (CIs) are found intersecting with informal settlements. In Indonesia, this is particularly visible in the creative urban villages (kampongs). This paper aims to identify the innovation processes (both technical and systemic innovations) undertaken by CIs operating from these creative kampongs. Using a comparative study in two creative kampongs with different creative identities and communities, we found the presence of incremental and pragmatic innovation influenced by the conditions of informality and the impact of the limitation of resources faced by CIs in these areas. Our findings particularly emphasise aspects of knowledge production and the innovation process of CIs in the kampongs. The paper contributes to understanding the importance of actor-networks and the emergence of technology that allows informal businesses to innovate their products and services. It also contributes to reflect on the role of kampong as a shared space in which communal spirit expedite knowledge production and identity for CIs.
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引用次数: 0
Financial access and income inequality in Sub-Saharan Africa: Does ethnic fragmentation give new evidence? 撒哈拉以南非洲的金融获取与收入不平等:种族分裂是否提供了新证据?
IF 2.8 2区 经济学 Q1 ECONOMICS Pub Date : 2025-03-01 DOI: 10.1016/j.ecosys.2024.101200
Valentine Soumtang Bimé , Itchoko Motande Mondjeli Mwa Ndjokou
There is a large body of work documenting the non-consensual effects of financial access on income inequality. Despite this extensive literature and the predominance of ethnic fragmentation in Sub Saharan Africa countries (SSA), little is known about its mediating effect on the above relation. This paper focuses on assessing the effect of ethnic fragmentation on financial access income inequality nexus. Based on Kripfganz and Schwarz's (2019) dynamic panel estimator of time-invariant variables in a sample of thirty-seven (37) SSA countries over the period of 1990–2019, it is observed that ethnic fragmentation hinders financial access to reduce inequality in SSA. The results remain stable following several sensitivity tests related to corruption, urbanization, financial literacy and socio-geographic factors. They are also robust to the use of alternative measures of financial access and to change estimation technique.
有大量文献记录了金融服务对收入不平等的非共识性影响。尽管有这些广泛的文献,而且撒哈拉以南非洲国家(SSA)普遍存在种族分裂现象,但人们对其对上述关系的中介效应知之甚少。本文重点评估种族分化对金融获取收入不平等关系的影响。基于 Kripfganz 和 Schwarz(2019 年)在 1990-2019 年期间对三十七(37)个撒哈拉以南非洲国家样本中的时间不变变量进行的动态面板估计,发现种族分裂阻碍了金融获取,从而减少了撒哈拉以南非洲国家的不平等。在进行了与腐败、城市化、金融知识普及和社会地理因素相关的若干敏感性测试后,结果保持稳定。此外,使用其他金融获取措施和改变估算技术也能使结果保持稳定。
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引用次数: 0
The impact of Russia’s Geopolitical Risk on stock markets’ high-moment risk 俄罗斯地缘政治风险对股市高风险的影响
IF 2.8 2区 经济学 Q1 ECONOMICS Pub Date : 2025-03-01 DOI: 10.1016/j.ecosys.2024.101242
Asil Azimli , Demet Beton Kalmaz
We investigated the time and frequency connectedness between Russia’s geopolitical risk (R-GPR) and the high-order moments (volatility, skewness, and kurtosis) of equity markets in eight countries: U.S., Belgium, France, Germany, U.K., Italy, Switzerland, and Spain. Our findings showed that R-GPR and realized volatility co-move in the short- and medium-term frequency bands during wartime, except in the U.S. and U.K. markets. Concerning realized skewness, significant co-movements were observed between R-GPR and Belgium and Germany during the short- and medium-frequency bands, implying that higher skewness (crash risk) was associated with higher R-GPR. Contrastingly, the realized kurtosis and R-GPR were connected at a long-term frequency. Finally, R-GPR negatively led to realized kurtosis in the U.S. market, implying the U.S. market’s hedging potential for fat-tail risk. Our results provide essential insights into the investment and risk-management practices of market participants with different investment horizons.
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引用次数: 0
The effects of EU grants on SMEs: Evidence from Bulgaria 欧盟赠款对中小型企业的影响:保加利亚的证据
IF 2.8 2区 经济学 Q1 ECONOMICS Pub Date : 2025-03-01 DOI: 10.1016/j.ecosys.2024.101244
Daniel Nigohosyan , Iglika Vassileva, Albena Vutsova
The paper explores the effects of European Union (EU) support on small and medium-sized enterprises (SMEs) in Bulgaria in the 2014–2020 programming period. In particular, it applies two standard counterfactual techniques (Difference-in-Differences and Propensity Score Matching) to review a 200-million EUR scheme under the Operational Programme ‘Innovation and Competitiveness’ (2014–2020). The analysis shows a positive and statistically significant effect of the grants on the assets of the supported companies. Some positive effects on the SMEs' revenues and revenues per employee have also been observed. However, the paper finds no evidence that the SME grants have supported the companies' profitability and employment. Thus, the findings raise questions about the design of grant schemes supporting competitiveness, which may lead to selecting better-performing companies (‘cherry-picking’) without providing any substantial positive effects.
本文探讨了欧盟(EU)在 2014-2020 年规划期间对保加利亚中小型企业(SMEs)的支持效果。特别是,本文采用了两种标准的反事实技术(差分法和倾向得分匹配法)来审查 "创新与竞争力 "业务计划(2014-2020 年)下的一项 2 亿欧元计划。分析表明,补助金对受资助公司的资产产生了积极的、具有统计意义的影响。对中小企业的收入和员工人均收入也产生了一些积极影响。然而,本文没有发现任何证据表明中小企业补助金支持了公司的盈利能力和就业。因此,研究结果对支持竞争力的资助计划的设计提出了质疑,因为这可能会导致选择表现更好的公司("挑肥拣瘦"),而不会带来任何实质性的积极影响。
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引用次数: 0
Economic analysis and competition policy practice: A comparative empirical examination 经济分析和竞争政策实践:比较实证研究
IF 2.8 2区 经济学 Q1 ECONOMICS Pub Date : 2025-03-01 DOI: 10.1016/j.ecosys.2024.101245
Svetlana Golovanova , Eduardo Pontual Ribeiro , Svetlana Avdasheva
This paper contributes to empirical studies of competition policy enforcement. The study applies an empirical approach to measure the extent of economic analysis (legal standard) applied by competition authorities in antitrust cases by leading developing countries, namely, Brazil, Russia, India, and South Africa (4 out of 5 BRICS countries). Using antitrust case-by-case information we explore the level, dynamics, and convergence of legal standards in antitrust investigations. The results indicate that the countries differ in the legal standard used, even on the same conduct type under investigation. On average, competition authorities in Brazil and India apply higher legal standards than those in Russia and South Africa. The ranking of legal standards by conduct groups differs as well, with vertical agreements and abuse of dominance cases having the highest levels. There is no evidence of an increasing trend or convergence in the legal standard in antitrust investigations, either between cases of the same conduct group or between countries investigated. This study also does not find unambiguous evidence on the effect of resources (funding and staff) on legal standards or on the consistency of case-specific analysis.
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引用次数: 0
How does carbon transition risk drive corporate diversification? Evidence from heavy emitter firms in China
IF 7.9 2区 经济学 Q1 ECONOMICS Pub Date : 2025-03-01 DOI: 10.1016/j.eap.2025.02.033
Khanh Hoang , Cuong Nguyen , Toan Luu Duc Huynh , Hailiang Zhang , Van Thi Thuy Vu
Carbon-intensive firms are increasingly exposed to carbon transition risks stemming from evolving climate policies, forcing them to adapt to a low-carbon economy. While prior research focuses on direct environmental initiatives to mitigate carbon transition risks, limited attention has been given to corporate diversification as an alternative strategy. This study investigates the impact of carbon transition risks on revenue diversification of Chinese listed firms, employing a difference-in-differences framework with the Paris Agreement as an exogenous shock. We find a significant increase in diversification of heavy-emitting firms following the Paris Agreement compared to their counterparts, without a corresponding increase in environmental investments or green technology adoption. This response is notably pronounced among firms with state ownership and is weakened when investment irreversibility is high. The findings align with the real options perspective and provide new insights into corporate responses to climate policy changes within the unique context of China.
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引用次数: 0
Score-type tests for normal mixtures 正态混合物的分数型检验
IF 9.9 3区 经济学 Q1 ECONOMICS Pub Date : 2025-03-01 DOI: 10.1016/j.jeconom.2024.105717
Dante Amengual , Xinyue Bei , Marine Carrasco , Enrique Sentana
Testing normality against discrete normal mixtures is complex because some parameters turn increasingly underidentified along alternative ways of approaching the null, others are inequality constrained, and several higher-order derivatives become identically 0. These problems make the maximum of the alternative model log-likelihood function numerically unreliable. We propose score-type tests asymptotically equivalent to the likelihood ratio as the largest of two simple intuitive statistics that only require estimation under the null. One novelty of our approach is that we treat symmetrically both ways of writing the null hypothesis without excluding any region of the parameter space. We derive the asymptotic distribution of our tests under the null and sequences of local alternatives. We also show that their asymptotic distribution is the same whether applied to observations or standardized residuals from heteroskedastic regression models. Finally, we study their power in simulations and apply them to the residuals of Mincer earnings functions.
离散正态混合物的正态性检验非常复杂,因为一些参数在接近空值的替代方法中变得越来越不确定,另一些参数受到不等式约束,还有一些高阶导数变得同为 0。我们提出的得分型检验在渐近上等同于似然比,是两个简单直观统计量中最大的一个,只需要在空值下进行估计。我们方法的一个新颖之处在于,我们对称地处理了两种无效假设的写法,而不排除参数空间的任何区域。我们推导出我们的检验在零假设和局部替代序列下的渐近分布。我们还证明,无论是应用于观测值还是异方差回归模型的标准化残差,它们的渐近分布都是相同的。最后,我们在模拟中研究了它们的威力,并将它们应用于 Mincer 收益函数的残差。
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引用次数: 0
The chained difference-in-differences
IF 9.9 3区 经济学 Q1 ECONOMICS Pub Date : 2025-03-01 DOI: 10.1016/j.jeconom.2024.105783
Christophe Bellégo , David Benatia , Vincent Dortet-Bernadet
This paper studies the identification, estimation, and inference of long-term (binary) treatment effect parameters when balanced panel data is not available, or consists of only a subset of the available data. We develop a new estimator: the chained difference-in-differences, which leverages the overlapping structure of many unbalanced panel data sets. This approach consists in aggregating a collection of short-term treatment effects estimated on multiple incomplete panels. Our estimator accommodates (1) multiple time periods, (2) variation in treatment timing, (3) treatment effect heterogeneity, (4) general missing data patterns, and (5) sample selection on observables. We establish the asymptotic properties of the proposed estimator and discuss identification and efficiency gains in comparison to existing methods. Finally, we illustrate its relevance through (i) numerical simulations, and (ii) an application about the effects of an innovation policy in France.
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引用次数: 0
A RGARCH-CARR-SK model: A new high-frequency volatility forecasting and risk measurement model based on dynamic higher moments and generalized realized measures RGARCH-CARR-SK 模型:基于动态高阶矩和广义实现度量的新型高频波动率预测和风险度量模型
IF 3.8 3区 经济学 Q1 BUSINESS, FINANCE Pub Date : 2025-03-01 DOI: 10.1016/j.najef.2025.102408
Junjie Liu , Qingnan Zhou , Zhenlong Chen
The RGARCH-CARR-SK model is developed in this paper by incorporating the characteristics of parameters that directly reflect higher moments in the Gram-Charlier expansion distribution, as well as leveraging the advantages of the RGARCH-CARR model for high-frequency volatility prediction. Simultaneously, we extend the realized volatility measure in the model to explore its efficacy in volatility forecasting and risk measurement under a variety of generalized realized measures. Additionally, we investigate the finite sample behavior of model parameter estimation using Monte Carlo simulations. The result demonstrates that the model exhibits favorable asymptotic performance in parameter estimation across various finite samples. Finally, the empirical study employs the forecasting of high-frequency volatility in the RGARCH-CARR-SK model for China’s GEM and evaluates its effectiveness using various risk methods based on the model. The result reveals that the RGARCH-CARR-SK model outperforms the benchmark models in in-sample fitting, out-of-sample volatility prediction, as well as risk measurement.
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引用次数: 0
Greening through economic complexity: New evidence from Chinese cities
IF 7.9 2区 经济学 Q1 ECONOMICS Pub Date : 2025-03-01 DOI: 10.1016/j.eap.2025.02.034
Mengying Ni , Zimin Liu , Zhuang Zhang
“The stronger get stronger, the weaker get weaker”? Does the process of urban economic complexity exhibit a preference for green? This research utilizes the reflection iteration method to measure the economic complexity of Chinese cities and examines the impact of economic complexity on urban green development and its underlying mechanisms. The results are as follows: (1) the enhancement of economic complexity promotes the green development of urban economies, with enduring effects; (2) the green impact of economic complexity exhibits an increasing marginal trend, meaning that the higher the urban complexity, the stronger the marginal effect; (3) mechanism analysis indicates that economic complexity, on one hand, optimizes the developmental path of urban industries by squeezing out pollution-intensive and resource-dependent industries; on the other hand, economic complexity contributes to strengthening the urban innovation ecosystem, such as enhancing levels of urban innovation, entrepreneurship, technological advancement, R&D collaboration, and knowledge spillover. Additionally, the impact of economic complexity on urban green development is moderated by external constraints such as energy efficiency, environmental regulations, and public supervision; (4) heterogeneity analysis reveals that the green impact effect of economic complexity varies with the level of talent accumulation, administrative hierarchy, geographical location and industrial layout. This study offers valuable insights for optimizing urban development path and promoting green transformations in urban areas.
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引用次数: 0
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