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Evolution and Game Theory

[Symposium: Evolutionary Economics]

By Larry Samuelson

Journal of Economic Perspectives, Spring 2002

Research in noncooperative game theory has focused attention on two questions: Should we expect equilibrium play? If so, which of the multiple equilibria that arise in many games should we expect? This paper summarizes recent approaches to these questions...

A Labor Supply Elasticity Accord?

By Lars Ljungqvist and Thomas J. Sargent

American Economic Review, May 2011

A dispute about the size of the aggregate labor supply elasticity has been fortified by a contentious aggregation theory used by real business cycle theorists. The replacement of that aggregation theory with one more congenial to microeconomic observation...

Insurgent Compensation: Evidence from Iraq

By Benjamin W. Bahney, Radha K. Iyengar, Patrick B. Johnston, Danielle F. Jung, Jacob N. Shapiro, and Howard J. Shatz

American Economic Review, May 2013

Participating in insurgency is physically risky. Why do people do so? Using new data on 3,799 payments to insurgent fighters by Al Qa'ida Iraq, we find that: (i) wages were extremely low relative to outside options, even compared to unskilled labor; (ii) ...

Social Capital and Political Accountability

By Tommaso Nannicini, Andrea Stella, Guido Tabellini, and Ugo Troiano

American Economic Journal: Economic Policy, May 2013

We investigate a channel through which social capital may improve economic well-being and the functioning of institutions: political accountability. The main idea is that voters who share values and beliefs that foster cooperation are more likely to vo...

Peer Effects in the Workplace: Evidence from Random Groupings in Professional Golf Tournaments

By Jonathan Guryan, Kory Kroft, and Matthew J. Notowidigdo

American Economic Journal: Applied Economics, October 2009

This paper uses random assignment in professional golf tournaments to test for peer effects in the workplace. We find no evidence that playing partners' ability affects performance, contrary to recent evidence on peer effects in the workplace from labo...

Life-Cycle Prices and Production

By Mark Aguiar and Erik Hurst

American Economic Review, December 2007

We use scanner data and time diaries to document how households substitute time for money through shopping and home production. We document substantial heterogeneity in prices paid for identical goods for the same area and time, with older households s...

Discrimination in Grading

By Rema N. Hanna and Leigh L. Linden

American Economic Journal: Economic Policy, November 2012

We report the results of an experiment that was designed to test for discrimination in grading in India. We recruited teachers to grade exams. We randomly assigned child "characteristics" (age, gender, and caste) to the cover sheets of the exams to ensure...

Should Aid Reward Performance? Evidence from a Field Experiment on Health and Education in Indonesia

By Benjamin A. Olken, Junko Onishi, and Susan Wong

American Economic Journal: Applied Economics, October 2014

We report an experiment in 3,000 villages that tested whether incentives improve aid efficacy. Villages received block grants for maternal and child health and education that incorporated relative performance incentives. Subdistricts were randomized into ...

Common Knowledge

[Symposium: Common Knowledge]

By John Geanakoplos

Journal of Economic Perspectives, Fall 1992

An event is common knowledge among a group of agents if each one knows it, if each one knows that the others know it, if each one knows that each one knows that the others know it, and so on. Thus, common knowledge is the limit of a potentially infinite c...