This paper analyzes data from a novel field experiment designed to test the impact of twodifferent insurance products and a secret saving device on solidarity in risk-sharing groupsamong rural villagers in the Philippines. Risk is simulated by a lottery. Risk-sharing ispossible in solidarity...

Firms select not only how many, but also which workers to hire. Yet, in standard searchmodels of the labor market, all workers have the same probability of being hired. We arguethat selective hiring crucially affects welfare analysis. Our model is isomorphic to a searchmodel under random hiring...

This paper is the first to provide evidence of efficient taxation of groups with heterogeneouslevels of ‘tax morale’. We set up an optimal income tax model where high tax morale impliesa high subjective cost of evading taxes. The model predicts that ‘nice guys finish last’: groupswith...

This paper develops the theoretical foundations and the testable implications of the variousmechanisms that have been proposed as possible triggers for the demographic transition.Moreover, it examines the empirical validity of each of the theories and their significance forthe understanding of...

Conventional wisdom about the relationship between income distribution and economicdevelopment has been subjected to dramatic transformations in the past century. Whileclassical economists advanced the hypothesis that inequality is beneficial for growth, theneoclassical paradigm dismissed the...

This paper studies optimal unemployment benefit levels and optimal proportional income taxrates over the business cycle. Previous research suggests that policy makers should makeunemployment insurance (UI) dependent on the business cycle because the UI system canbe used to smooth consumption...