How does energy efficiency affect employment? Evidence from Chinese cities
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DOI: 10.1016/j.energy.2023.128071
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- Liu, Mengdi & Tan, Ruipeng & Zhang, Bing, 2021.
"The costs of “blue sky”: Environmental regulation, technology upgrading, and labor demand in China,"
Journal of Development Economics, Elsevier, vol. 150(C).
- Zhang, Bing & Liu, Mengdi, 2024. "The Costs of ”Blue Sky”: Environmental Regulation, Technology Upgrading, and Labor Demand in China," EfD Discussion Paper 24-4, Environment for Development, University of Gothenburg.
- Marco Vivarelli, 2014. "Innovation, Employment and Skills in Advanced and Developing Countries: A Survey of Economic Literature," Journal of Economic Issues, Taylor & Francis Journals, vol. 48(1), pages 123-154.
- Patrick Kline & Enrico Moretti, 2014.
"People, Places, and Public Policy: Some Simple Welfare Economics of Local Economic Development Programs,"
Annual Review of Economics, Annual Reviews, vol. 6(1), pages 629-662, August.
- Moretti, Enrico & Kline, Patrick, 2013. "People, Places and Public Policy: Some Simple Welfare Economics of Local Economic Development Programs," CEPR Discussion Papers 9741, C.E.P.R. Discussion Papers.
- Kline, Patrick & Moretti, Enrico, 2013. "People, Places and Public Policy: Some Simple Welfare Economics of Local Economic Development Programs," IZA Discussion Papers 7735, Institute of Labor Economics (IZA).
- Patrick Kline & Enrico Moretti, 2013. "People, Places and Public Policy: Some Simple Welfare Economics of Local Economic Development Programs," NBER Working Papers 19659, National Bureau of Economic Research, Inc.
- Sen, Anindita & Acharyya, Rajat, 2012. "Environmental standard and employment: impact of productivity effect," Environment and Development Economics, Cambridge University Press, vol. 17(2), pages 207-225, April.
- Stefan Ambec & Mark A. Cohen & Stewart Elgie & Paul Lanoie, 2013.
"The Porter Hypothesis at 20: Can Environmental Regulation Enhance Innovation and Competitiveness?,"
Review of Environmental Economics and Policy, Association of Environmental and Resource Economists, vol. 7(1), pages 2-22, January.
- Ambec, Stefan & Cohen, Mark A. & Elgie, Stewart & Lanoie, Paul, 2010. "The Porter Hypothesis at 20: Can Environmental Regulation Enhance Innovation and Competitiveness?," IDEI Working Papers 655, Institut d'Économie Industrielle (IDEI), Toulouse.
- Ambec, Stefan & Cohen, Mark A. & Elgie, Stewart & Lanoie, Paul, 2010. "The Porter Hypothesis at 20: Can Environmental Regulation Enhance Innovation and Competitiveness?," TSE Working Papers 10-215, Toulouse School of Economics (TSE).
- Ambec, Stefan & Cohen, Mark A. & Elgie, Stewart & Lanoie, Paul, 2011. "The Porter Hypothesis at 20: Can Environmental Regulation Enhance Innovation and Competitiveness?," RFF Working Paper Series dp-11-01, Resources for the Future.
- Stefan AMBEC & Mark A. COHEN & Stewart ELGIE & Paul LANOIE, 2010. "The Porter Hypothesis at 20: can Environmental Regulation Enhance Innovation and Competitiveness?," Cahiers de recherche 10-02, HEC Montréal, Institut d'économie appliquée.
- Ambec, Stefan & Cohen, Mark & Elgie, Stewart & Lanoie, Paul, 2010. "The Porter Hypothesis at 20: Can Environmental Regulation Enhance Innovation and Competitiveness?," LERNA Working Papers 10.14.320, LERNA, University of Toulouse.
- Stefan Ambec & Mark A. Cohen & Stewart Elgie & Paul Lanoie, 2010. "The Porter Hypothesis at 20: Can Environmental Regulation Enhance Innovation and Competitiveness?," CIRANO Working Papers 2010s-29, CIRANO.
- Costantini, Valeria & Crespi, Francesco & Paglialunga, Elena, 2018.
"The employment impact of private and public actions for energy efficiency: Evidence from European industries,"
Energy Policy, Elsevier, vol. 119(C), pages 250-267.
- Valeria Costantini & Francesco Crespi & Elena Paglialunga, 2017. "The Employment Impact Of Private And Public Actions For Energy Efficiency: Evidence From European Industries," Departmental Working Papers of Economics - University 'Roma Tre' 0227, Department of Economics - University Roma Tre.
- Kenji Kondoh & Shigemi Yabuuchi, 2012. "Unemployment, environmental policy, and international migration," The Journal of International Trade & Economic Development, Taylor & Francis Journals, vol. 21(5), pages 677-690, October.
- Coe, David T. & Helpman, Elhanan, 1995.
"International R&D spillovers,"
European Economic Review, Elsevier, vol. 39(5), pages 859-887, May.
- Coe, David T & Helpman, Elhanan, 1993. "International R&D Spillovers," CEPR Discussion Papers 840, C.E.P.R. Discussion Papers.
- Coe, D.T. & Helpman, E., 1993. "International R&D Spillovers," Papers 5-93, Tel Aviv.
- David T. Coe & Elhanan Helpman, 1993. "International R&D Spillovers," NBER Working Papers 4444, National Bureau of Economic Research, Inc.
- Morgenstern, Richard D. & Pizer, William A. & Shih, Jhih-Shyang, 2002.
"Jobs Versus the Environment: An Industry-Level Perspective,"
Journal of Environmental Economics and Management, Elsevier, vol. 43(3), pages 412-436, May.
- Pizer, William & Morgenstern, Richard & Shih, Jhih-Shyang, 1999. "Jobs Versus the Environment: An Industry-level Perspective," RFF Working Paper Series dp-99-01-rev, Resources for the Future.
- Morgenstern, Richard D. & Pizer, William A. & Shih, Jhih-Shyang, 2000. "Jobs Versus the Environment: An Industry-level Perspective," Discussion Papers 10526, Resources for the Future.
- Chung-Khain Wye, 2018. "Incorporating Foreign Direct Investment and Trade into Energy-Employment Nexus: Evidence from China," Chinese Economy, Taylor & Francis Journals, vol. 51(1), pages 69-96, January.
- Jose L. Groizard & Priya Ranjan & Antonio Rodriguez‐Lopez, 2015.
"Trade Costs And Job Flows: Evidence From Establishment‐Level Data,"
Economic Inquiry, Western Economic Association International, vol. 53(1), pages 173-204, January.
- José Luis Groizard & Priya Ranjan & José Antonio Rodríguez-López, 2012. "Trade Costs and Job Flows: Evidence from Establishment-Level Data," DEA Working Papers 48, Universitat de les Illes Balears, Departament d'Economía Aplicada, revised Mar 2014.
- Jose L. Groizard & Priya Ranjan & Antonio Rodriguez-Lopez, 2014. "Trade Costs and Job Flows: Evidence from Establishment-Level Data," CESifo Working Paper Series 4876, CESifo.
- Jose Luis Groizard & Priya Ranjan & Jose Antonio Rodriguez-Lopez, 2012. "Trade Costs and Job Flows: Evidence from Establishment-Level Data," Working Papers 111208, University of California-Irvine, Department of Economics, revised Oct 2013.
- Shuai Shao, Zhenbing Yang, Lili Yang, and Shuang Ma, 2019. "Can China's Energy Intensity Constraint Policy Promote Total Factor Energy Efficiency? Evidence from the Industrial Sector," The Energy Journal, International Association for Energy Economics, vol. 0(Number 4).
- Makoto Sugino & Minoru Morita & Kazuyuki Iwata & Toshi. H. Arimura, 2017.
"Multiplier impacts and emission reduction effects of Joint Crediting Mechanism: analysis with a Japanese and international disaggregated input–output table,"
Environmental Economics and Policy Studies, Springer;Society for Environmental Economics and Policy Studies - SEEPS, vol. 19(3), pages 635-657, July.
- Makoto Sugino & Minoru Morita & Kazuyuki Iwata & Toshi H. Arimura, 2015. "Multiplier Impacts and Emission Reduction Effects of Joint Crediting Mechanism: Analysis with a Japanese and International Disaggregated Input-Output Table," Working Papers e100, Tokyo Center for Economic Research.
- Song, Yi & Zhang, Yangxueying & Zhang, Yijun, 2022. "Economic and environmental influences of resource tax: Firm-level evidence from China," Resources Policy, Elsevier, vol. 77(C).
- Ann Harrison & Leslie A. Martin & Shanthi Nataraj, 2017. "Green Industrial Policy in Emerging Markets," Annual Review of Resource Economics, Annual Reviews, vol. 9(1), pages 253-274, October.
- Ye, Dezhu & Liu, Shasha & Kong, Dongmin, 2013. "Do efforts on energy saving enhance firm values? Evidence from China's stock market," Energy Economics, Elsevier, vol. 40(C), pages 360-369.
- Stavropoulos, S. & Burger, M.J., 2020.
"Modelling strategy and net employment effects of renewable energy and energy efficiency: A meta-regression,"
Energy Policy, Elsevier, vol. 136(C).
- Spyridon Stavropoulos & Martijn J. Burger, 2019. "Modelling Strategy and Net Employment Effects of Renewable Energy and Energy Efficiency: A Meta-Regression," Tinbergen Institute Discussion Papers 19-044/VII, Tinbergen Institute.
- Hunt Allcott & Michael Greenstone, 2012.
"Is There an Energy Efficiency Gap?,"
Journal of Economic Perspectives, American Economic Association, vol. 26(1), pages 3-28, Winter.
- Hunt Allcott & Michael Greenstone, 2012. "Is There an Energy Efficiency Gap?," NBER Working Papers 17766, National Bureau of Economic Research, Inc.
- Ann Harrison & Leslie A. Martin & Shanthi Nataraj, 2017. "Green Industrial Policy in Emerging Markets," Annual Review of Economics, Annual Reviews, vol. 9(1), pages 253-274, October.
- Hering, Laura & Poncet, Sandra, 2014.
"Environmental policy and exports: Evidence from Chinese cities,"
Journal of Environmental Economics and Management, Elsevier, vol. 68(2), pages 296-318.
- Laura Hering & Sandra Poncet, 2014. "Environmental policy and exports: Evidence from Chinese cities," Post-Print hal-01162230, HAL.
- Laura Hering & Sandra Poncet, 2014. "Environmental policy and exports: Evidence from Chinese cities," PSE-Ecole d'économie de Paris (Postprint) hal-01162230, HAL.
- Laura Hering & Sandra Poncet, 2014. "Environmental policy and exports: Evidence from Chinese cities," Université Paris1 Panthéon-Sorbonne (Post-Print and Working Papers) hal-01162230, HAL.
- Ovaere, Marten & Proost, Stef, 2022.
"Cost-effective reduction of fossil energy use in the European transport sector: An assessment of the Fit for 55 Package,"
Energy Policy, Elsevier, vol. 168(C).
- Marten Ovaere & Stef Proost, 2021. "Cost-effective reduction of fossil energy use in the European transport sector: An assessment of the Fit for 55 Package," Working Papers of Faculty of Economics and Business Administration, Ghent University, Belgium 21/1031, Ghent University, Faculty of Economics and Business Administration.
- Cai, Wenjia & Wang, Can & Chen, Jining & Wang, Siqiang, 2011. "Green economy and green jobs: Myth or reality? The case of China’s power generation sector," Energy, Elsevier, vol. 36(10), pages 5994-6003.
- Simon, Curtis J., 1998. "Human Capital and Metropolitan Employment Growth," Journal of Urban Economics, Elsevier, vol. 43(2), pages 223-243, March.
- Rockstuhl, Sebastian & Wenninger, Simon & Wiethe, Christian & Häckel, Björn, 2021. "Understanding the risk perception of energy efficiency investments: Investment perspective vs. energy bill perspective," Energy Policy, Elsevier, vol. 159(C).
- Mu, Yaqian & Cai, Wenjia & Evans, Samuel & Wang, Can & Roland-Holst, David, 2018. "Employment impacts of renewable energy policies in China: A decomposition analysis based on a CGE modeling framework," Applied Energy, Elsevier, vol. 210(C), pages 256-267.
- Santosh Kumar Sahu & K. Narayanan, 2013. "Labour and Energy Intensity: A Study of the Pulp and Paper Industries in India," Springer Books, in: Natteri Siddharthan & Krishnan Narayanan (ed.), Human Capital and Development, edition 2, chapter 0, pages 55-76, Springer.
- Ek, Kristina & Söderholm, Patrik, 2010. "Technology learning in the presence of public R&D: The case of European wind power," Ecological Economics, Elsevier, vol. 69(12), pages 2356-2362, October.
- Kuckshinrichs, Wilhelm & Kronenberg, Tobias & Hansen, Patrick, 2010. "The social return on investment in the energy efficiency of buildings in Germany," Energy Policy, Elsevier, vol. 38(8), pages 4317-4329, August.
- Rong, Shu & Liu, Kai & Huang, Si & Zhang, Qi, 2020. "FDI, labor market flexibility and employment in China," China Economic Review, Elsevier, vol. 61(C).
- Markandya, Anil & Arto, Iñaki & González-Eguino, Mikel & Román, Maria V., 2016. "Towards a green energy economy? Tracking the employment effects of low-carbon technologies in the European Union," Applied Energy, Elsevier, vol. 179(C), pages 1342-1350.
- Qiaoyi Chen & Zhao Chen & Zhikuo Liu & Juan Carlos Suárez Serrato & Daniel Xu, 2021. "Regulating Conglomerates in China: Evidence from an Energy Conservation Program," NBER Working Papers 29066, National Bureau of Economic Research, Inc.
- Steven J. Davis & John Haltiwanger, 1992.
"Gross Job Creation, Gross Job Destruction, and Employment Reallocation,"
The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 107(3), pages 819-863.
- Steve J. Davis & John Haltiwanger, 1990. "Gross Job Creation, Gross Job Destruction and Employment Reallocation," Working Papers 90-4, Center for Economic Studies, U.S. Census Bureau.
- Steve J. Davis & John Haltiwanger, 1991. "Gross Job Creation, Gross Job Destruction and Employment Reallocation," NBER Working Papers 3728, National Bureau of Economic Research, Inc.
- Steven J. Davis & John Haltiwanger, 1991. "Gross job creation, gross job destruction and employment reallocation," Working Paper Series, Macroeconomic Issues 91-5, Federal Reserve Bank of Chicago.
- Chen, Dengke & Chen, Shiyi & Jin, Hao & Lu, Yulin, 2020. "The impact of energy regulation on energy intensity and energy structure: Firm-level evidence from China," China Economic Review, Elsevier, vol. 59(C).
- Alam, Md. Samsul & Atif, Muhammad & Chien-Chi, Chu & Soytaş, Uğur, 2019. "Does corporate R&D investment affect firm environmental performance? Evidence from G-6 countries," Energy Economics, Elsevier, vol. 78(C), pages 401-411.
- Xu, Bin & Lin, Boqiang, 2020. "Investigating drivers of CO2 emission in China’s heavy industry: A quantile regression analysis," Energy, Elsevier, vol. 206(C).
- Price, Lynn & Levine, Mark D. & Zhou, Nan & Fridley, David & Aden, Nathaniel & Lu, Hongyou & McNeil, Michael & Zheng, Nina & Qin, Yining & Yowargana, Ping, 2011. "Assessment of China's energy-saving and emission-reduction accomplishments and opportunities during the 11th Five Year Plan," Energy Policy, Elsevier, vol. 39(4), pages 2165-2178, April.
- Garrett-Peltier, Heidi, 2017. "Green versus brown: Comparing the employment impacts of energy efficiency, renewable energy, and fossil fuels using an input-output model," Economic Modelling, Elsevier, vol. 61(C), pages 439-447.
- Moreno, Blanca & López, Ana Jesús, 2008. "The effect of renewable energy on employment. The case of Asturias (Spain)," Renewable and Sustainable Energy Reviews, Elsevier, vol. 12(3), pages 732-751, April.
- Michael E. Porter & Claas van der Linde, 1995. "Toward a New Conception of the Environment-Competitiveness Relationship," Journal of Economic Perspectives, American Economic Association, vol. 9(4), pages 97-118, Fall.
- Böhringer, Christoph & Keller, Andreas & van der Werf, Edwin, 2013. "Are green hopes too rosy? Employment and welfare impacts of renewable energy promotion," Energy Economics, Elsevier, vol. 36(C), pages 277-285.
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Keywords
Energy efficiency; Energy intensity; Employment; Energy saving;All these keywords.
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