This study estimated the level and growth of total factor productivity in the Korean electricity generation sector using plant-level panel data from over the period 2002-2019. In particular, we compared the productivity differences across different plant types. This study used a semiparametric estimation method that enables the control for the endogeneity of productivity shocks without using instrumental variables (IVs). It was found that steam power plants presented the highest total factor productivity, followed by internal combustion and combined cycle. The productivity growth fluctuated over time, ranging from -0.285% to 0.203%, and presented a declining trend during the sample period. The results also indicated that the load and plant factors significantly affected the total factor productivity of the plants. However, the age variable that may reflect the learning-by-doing effect did not affect plant productivity.
{"title":"Estimation of Productivity in the KoreanElectricity Generation Sector:A Semi-Parametric Approach","authors":"Donghun Kim","doi":"10.46228/kje.30.1.3","DOIUrl":"https://doi.org/10.46228/kje.30.1.3","url":null,"abstract":"This study estimated the level and growth of total factor productivity in the Korean electricity generation sector using plant-level panel data from over the period 2002-2019. In particular, we compared the productivity differences across different plant types. This study used a semiparametric estimation method that enables the control for the endogeneity of productivity shocks without using instrumental variables (IVs). It was found that steam power plants presented the highest total factor productivity, followed by internal combustion and combined cycle. The productivity growth fluctuated over time, ranging from -0.285% to 0.203%, and presented a declining trend during the sample period. The results also indicated that the load and plant factors significantly affected the total factor productivity of the plants. However, the age variable that may reflect the learning-by-doing effect did not affect plant productivity.","PeriodicalId":266407,"journal":{"name":"The Korean Journal of Economics","volume":"60 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132537711","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Relations between Time Poverty, IncomePoverty and Individual Heath","authors":"Yong-Woo Lee","doi":"10.46228/kje.30.1.4","DOIUrl":"https://doi.org/10.46228/kje.30.1.4","url":null,"abstract":"","PeriodicalId":266407,"journal":{"name":"The Korean Journal of Economics","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124331895","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"The Impact of the THAAD Retaliation onChinese Visitors to Korea","authors":"Y. Bin","doi":"10.46228/kje.30.1.1","DOIUrl":"https://doi.org/10.46228/kje.30.1.1","url":null,"abstract":"","PeriodicalId":266407,"journal":{"name":"The Korean Journal of Economics","volume":"48 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124567243","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Analysis on Consumption Behavior Subject tothe Regulation to Establish CompulsoryClosedown of Super-Supermarket onMandatory Days in Korea","authors":"Jin Hyung Lee","doi":"10.46228/kje.30.1.2","DOIUrl":"https://doi.org/10.46228/kje.30.1.2","url":null,"abstract":"","PeriodicalId":266407,"journal":{"name":"The Korean Journal of Economics","volume":"1 5-6","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120898748","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"A Reexamination of Long-term Trends inProductivity of Rice-farming inKorea, 1660~1938","authors":"Dae Hyung Woo","doi":"10.46228/kje.30.1.5","DOIUrl":"https://doi.org/10.46228/kje.30.1.5","url":null,"abstract":"","PeriodicalId":266407,"journal":{"name":"The Korean Journal of Economics","volume":"225 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132471571","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Forecasting Crude Oil Prices with Google Trends Data Based on Machine Learning Methods","authors":"Seonmi Kim, Dooyeon Cho","doi":"10.46228/kje.29.2.3","DOIUrl":"https://doi.org/10.46228/kje.29.2.3","url":null,"abstract":"","PeriodicalId":266407,"journal":{"name":"The Korean Journal of Economics","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116011526","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Children's Learning Gap in Cambodia during the COVID-19 Pandemic: The Effect of Targeted Cash Transfer","authors":"Mingyeong Park, Hyelim Son","doi":"10.46228/kje.29.2.1","DOIUrl":"https://doi.org/10.46228/kje.29.2.1","url":null,"abstract":"","PeriodicalId":266407,"journal":{"name":"The Korean Journal of Economics","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122950263","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"The Study on Korean Service Firm’s Management Practices","authors":"Hyelin Choi","doi":"10.46228/kje.29.2.2","DOIUrl":"https://doi.org/10.46228/kje.29.2.2","url":null,"abstract":"","PeriodicalId":266407,"journal":{"name":"The Korean Journal of Economics","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116242690","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"\"The Illusion of Knowing: Households’ Misplaced Confidence and Stock Market Participation\"","authors":"K. Li","doi":"10.46228/kje.29.1.3","DOIUrl":"https://doi.org/10.46228/kje.29.1.3","url":null,"abstract":"","PeriodicalId":266407,"journal":{"name":"The Korean Journal of Economics","volume":"80 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116338533","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"\"A Reexamination of the Grain Market Integration in Korea, 1743~1910\"","authors":"Dae Hyung Woo","doi":"10.46228/kje.29.1.1","DOIUrl":"https://doi.org/10.46228/kje.29.1.1","url":null,"abstract":"","PeriodicalId":266407,"journal":{"name":"The Korean Journal of Economics","volume":"99 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121320373","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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