NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH

NBER Working Papers and Publications by Andrew Foster

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August 2017The Uptick in Income Segregation: Real Trend or Random Sampling Variance
with John R. Logan, Jun Ke, Fan Li: w23656
Recent studies have reported a reversal of an earlier trend in income segregation in metropolitan regions, from a decline in the 1990s to an increase in the 2000-2010 decade. This finding reinforces concerns about the growing overall income inequality in the U.S. since the 1970s. We re-evaluate the trend. Because the effective sample for the ACS is much smaller than it was for Census 2000, to which it is being compared, there is a possibility that the apparent changes in disparities across census tracts result partly from a higher level of sampling variation and bias due to the smaller sample. This study uses 100% microdata from the 1940 census to simulate the effect of different sampling rates on the observed measure of inequality, drawing from a population at a single point in time s...
May 2008Institutions and Behavior: Experimental Evidence on the Effects of Democracy
with Pedro Dal Bó, Louis Putterman: w13999
A novel experiment is used to show that the effect of a policy on the level of cooperation is greater when it is chosen democratically by the subjects than when it is exogenously imposed. In contrast to the previous literature, our experimental design allows us to control for selection effects (e.g. those who choose the policy may be affected differently by it). Our finding implies that democratic institutions may affect behavior directly in addition to having effects through the choice of policies. Our findings have implications for the generalizability of the results of randomized policy interventions.

Published: Pedro Dal Bo & Andrew Foster & Louis Putterman, 2010. "Institutions and Behavior: Experimental Evidence on the Effects of Democracy," American Economic Review, American Economic Association, vol. 100(5), pages 2205-29, December. citation courtesy of

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