Consider a marriage market with continuous-time two-sided search and trans- ferable utility in which the match payo depends on age. This paper characterizes a set of payo functions consistent with two salient marriage age patterns: (1) assortative match- ing by age, and (2) \dierential age...

This research suggests that the evolution of entrepreneurial spirit played a signi?cant role in the process of economic development and the dynamics of inequality within and across societies. The study argues that entrepreneurial spirit evolved non-monotonically in the course of human history....

Using three waves of survey data from fishing villages in Aceh, Indonesia for 2005-2009, we examine the determinants of local volunteer labor after the tsunami. Pre-existing social capital and the form of aid delivery (but not trauma) strongly affect village volunteerism initially, but these...