An Assignment Model of Knowledge Diffusion and Income Inequality

 

时间：2017年5月26日下午15:30-17:00
地点：朗润园万众楼小教室
主持人：王勇、王歆、徐佳君
主讲人：Erzo Luttmer（University of Minnesota）

【摘要】

Randomness in individual discovery disperses productivities, whereas learning from others keepsproductivities together. Long-run growth and persistent earnings inequality emerge when these twomechanisms for knowledge accumulation are combined. This paper considers an economy in whichthose with more useful knowledge can teach others, with competitive markets assigning students toteachers. In equilibrium, students with an ability to learn quickly are assigned to teachers with themost productive knowledge. This sorting on ability implies large differences in earnings distributionsconditional on ability, as shown using explicit formulas for the tail behavior of these distributions.

 

【主讲人】

Erzo Luttmer is currently a professor of economics at the University of Minnesota and a visiting scholar at the Federal Reserve Bank of Minneapolis. He previously taught at Northwestern University and at the London School of Economics. His main research interests are economic growth and macroeconomics. His research seeks to understand what drives the demand for redistribution and social insurance and how the implementation of redistribution and social insurance programs can be improved. Many of his papers highlight the important role of social effects in economic behavior.Much of his more recent research explores the role of cognitive limitations on demand for and design of social insurance programs.His work has been published in Journal of Political Economy, Econometrica, The Review of Economic Studies and many other journals.

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