This paper explores the causal effect of volunteer work providing daily assistance to the elderly on elderly mortality. To identify the causal effect, I exploit the earthquake that occurred in midwestern Japan in 1995 as a natural experiment inducing exogenous variation in the level of...

In the Western world, multiculturalism has become the way to view and form "nationhood," igniting the interest to understand and model identity. The complexity of identity formation, however, has been firm and ethnic and national identities have been deviating more and more. In this paper, we...

This paper investigates the substitutability of labor of selected ethnic groups in the US labor market. In the generalized Leontief framework, the analysis of US census-based data reveals that labor of non-White ethnic groups is complementary to that of White ethnic group. This finding supports...

Are ethnic specialization and thus a downward sloping labor demand curve fundamental features of labor market competition between ethnic groups? In a general equilibrium model, this paper argues that spillover effects in skill acquisition and social distances between ethnic groups engender...