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大陆成人直播
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发展经济学workshop：Technical progress and allocative inefficiency
发布日期：2017-12-20 11:56 来源：大陆成人直播-成人直播中文
发展经济学workshop
时间：2017年12月20日（周三）13：30－15：30 pm
地点：北大国发院/中国经济研究中心小教室
主持人：张晓波、李力行、席天扬
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主讲人（1）：李安鹏(澳大利亚国立大学) 13：30－14：30 pm
题目：Technical progress and allocative inefficiency
摘要：This paper develops a growth model with heterogeneous firms to study the allocative inefficiency in emerging economies. Firms in the economy learn new technology from the world frontier, and adjust production factors to fit the technological change. When a firm starts to catch up the frontier, it faces the uncertainty of future technical progress, and delays the adjustment of production factors as a response. The delayed adjustment generates allocative inefficiency in the early stage of development. Then, technological achievement narrows the gap to the frontier, reduces the future uncertainty, and improves the efficiency. Finally, the resource allocation is efficient again in the new steady state. The model suggests that the cross-country difference in allocative efficiency can be a byproduct of the different stages of development.
主讲人（1）简介：Anpeng is a fourth-year Ph. D. Candidate in the Research School of Economics at the Australian National University. His research interests are in macroeconomics and development economics, with a focus on firm dynamics and productivity in emerging economies
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主讲人（2）：林娅棠(香港科技大学) 14：30－15：30 pm
题目：The Long Shadow of Industrial Pollution: Environmental Amenities and the Distribution of Skills
摘要：This paper presents theory and evidence on the role of environmental amenities in shaping the competitiveness of post-industrial cities. I assemble a rich database at a fine spatial scale to examine the impact of historical pollution on the distribution of skilled workers and residents within US metropolitan. I find that census tracts that are downwind to highly polluted historical industrial sites in the 1970s are associated with lower housing prices and a smaller share of skilled employment three decades later, a pattern which has been reinforced during 1980-2000. These findings suggest the presence of skill sorting on pollution and strong subsequent agglomeration effects. To quantify the contribution of different mechanisms, I build and estimate a multi-sector spatial equilibrium framework that introduces heterogeneity in local productivity and workers' valuation for local amenities across sectors, and allows the initial sorting to be magnified by production and residential externalities. The structural estimation suggests that historical pollution is associated with lower current productivity and amenity and the magnitudes are higher for productivity, more skilled sectors and central tracts. I then use the framework to evaluate the impact of counterfactual pollution cuts in different parts of cities on nationwide welfare and the cross-city skill distribution.
主讲人（2）简介： Yatang is currently an Assistant Professor at the Hong Kong University of Science and Technology. She obtained her Ph.D. in economics at the London School of Economics (LSE). Her research and teaching interests include environmental and energy economics, urban economics, international trade and development economics.
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大陆成人直播
-
发展经济学workshop：Technical progress and allocative inefficiency
发布日期：2017-12-20 11:56 来源：大陆成人直播-成人直播中文
发展经济学workshop
时间：2017年12月20日（周三）13：30－15：30 pm
地点：北大国发院/中国经济研究中心小教室
主持人：张晓波、李力行、席天扬
------
主讲人（1）：李安鹏(澳大利亚国立大学) 13：30－14：30 pm
题目：Technical progress and allocative inefficiency
摘要：This paper develops a growth model with heterogeneous firms to study the allocative inefficiency in emerging economies. Firms in the economy learn new technology from the world frontier, and adjust production factors to fit the technological change. When a firm starts to catch up the frontier, it faces the uncertainty of future technical progress, and delays the adjustment of production factors as a response. The delayed adjustment generates allocative inefficiency in the early stage of development. Then, technological achievement narrows the gap to the frontier, reduces the future uncertainty, and improves the efficiency. Finally, the resource allocation is efficient again in the new steady state. The model suggests that the cross-country difference in allocative efficiency can be a byproduct of the different stages of development.
主讲人（1）简介：Anpeng is a fourth-year Ph. D. Candidate in the Research School of Economics at the Australian National University. His research interests are in macroeconomics and development economics, with a focus on firm dynamics and productivity in emerging economies
------
主讲人（2）：林娅棠(香港科技大学) 14：30－15：30 pm
题目：The Long Shadow of Industrial Pollution: Environmental Amenities and the Distribution of Skills
摘要：This paper presents theory and evidence on the role of environmental amenities in shaping the competitiveness of post-industrial cities. I assemble a rich database at a fine spatial scale to examine the impact of historical pollution on the distribution of skilled workers and residents within US metropolitan. I find that census tracts that are downwind to highly polluted historical industrial sites in the 1970s are associated with lower housing prices and a smaller share of skilled employment three decades later, a pattern which has been reinforced during 1980-2000. These findings suggest the presence of skill sorting on pollution and strong subsequent agglomeration effects. To quantify the contribution of different mechanisms, I build and estimate a multi-sector spatial equilibrium framework that introduces heterogeneity in local productivity and workers' valuation for local amenities across sectors, and allows the initial sorting to be magnified by production and residential externalities. The structural estimation suggests that historical pollution is associated with lower current productivity and amenity and the magnitudes are higher for productivity, more skilled sectors and central tracts. I then use the framework to evaluate the impact of counterfactual pollution cuts in different parts of cities on nationwide welfare and the cross-city skill distribution.
主讲人（2）简介： Yatang is currently an Assistant Professor at the Hong Kong University of Science and Technology. She obtained her Ph.D. in economics at the London School of Economics (LSE). Her research and teaching interests include environmental and energy economics, urban economics, international trade and development economics.
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