Lecture 12 (Turbo) - Competition Policy

582 views · Published 3 January 2012 · 1:13:00 · Indexed 12 November 2026

Channel: The University of Chicago · 2012 · People & Blogs

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ECON 20100: The Elements of Economic Analysis E. Glen Weyl, Assistant Professor of Economics and the College. "Competition Policy," November 22, 2011. The first part of this course discusses markets with one or a few suppliers. The second part focuses on demand and supply for factors of production and the distribution of income in the economy. This course also includes some elementary general equilibrium theory and welfare economics.

This lecture considers how competition can mitigate and even eliminate the distortions created by market power.  We develop several version's of Cournot's Theorem that sufficient competition eventually eliminates the distortions of market power.  We then turn to the practical implications of this result, that the government should attempt to avoid excessive concentration by restricting mergers.  We then explore the economic foundations of the approaches typically used to determine when a merger is likely to be harmful.

For readings associated with this lecture and slides, visit: http://www.glenweyl.com/teaching

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