This paper studies the interplay between left-handedness and economic development. To explain the decline and subsequent recovery of left-handedness observed over the last few centuries in the Western world, we propose a theory in which economic development influences the prevalence of...

Contrary to popular perception, empirical evidence suggests that immigrants do not necessarily commit more crimes than natives, in spite of having lower legitimate earning opportunities. To make sense of this, we propose a novel theoretical framework based on a predator/prey model of crime,...

Consider an economy populated by males and females, both rich and poor. The society has to choose one of the following marriage institutions: polygyny, strict monogamy, and serial monogamy (divorce and remarriage). After having identified the conditions under which each of these equilibria...

Marriage institutions have changed over time, evolving from polygyny to monogamy, and then to serial monogamy (as defined by divorce and remarriage). We propose a unified theory of such institutional changes, where the dynamics of income distribution are the driving force. We characterize the...