As a first step towards understanding the evolution of small groups in firms, this paper develops and tests a simple decision-theoretical model of research-unit evolution in which, as managers resolve their uncertainty over time, they shut down under-performing units and remove under-performing...

We investigate the sources of differences in school performance between students of different races by focusing on identity issues. We find that having a higher percentage of same-race friends has a positive effect of white teenagers' test score while having a negative effect on blacks' test...

This paper analyzes the early research performance of PhD graduates in labor economics, addressing the following questions: Are there major productivity differences between graduates from American and European institutions? If so, how relevant is the quality of the training received (i.e....

This paper analyzes the early research performance of PhD graduates in labor economics, addressing the following questions: Are there major productivity differences between graduates from American and European institutions? If so, how relevant is the quality of the training received (i.e....

Most private giving between living generations takes the form of tied transfers, such as help with housing downpayments. We argue that parents provide help with downpayments in order to encourage the production of grandchildren, and that such a subsidization emanates from the demonstration...

A large literature following Hirsch (2005) has proposed citation-based indexes that could be used to rank academics. This paper examines how well several such indexes match labor market outcomes using data on the citation records of young tenured economists at 25 U.S. departments. Variants of...

The aim of this paper is to provide a new mechanism based on social interactions explaining why distance to jobs can have a negative impact on workers' labor-market outcomes, especially ethnic minorities. Building on Granovetter's idea that weak ties are superior to strong ties for providing...

An imperative need has arisen to provide a Constructive push to the President Bush. American population, Corporate units, Expatriates and all nations with their currency related to US $, are not happy in the current $ dipping situation. Even the currencies of poor nations are galloping upward in...

In this paper we address the issue of the role of ideology and political preferences of publically engaged economists and contribute to the debate on consensus in economics. To do so, we conduct a social network analysis on the signatories of economist petitions, which we identify as one channel...