What one does not know, in the form of unobserved heterogeneity, can mislead one in empirical estimates. A simple model of intrahousehold allocations illustrates the possible importance of unobserved factors such as abilities in determining human resources and their impacts. The author reviews...

This paper considers educational investment, wages and hours of market work in an imperfectly competitive labour market with heterogeneous workers and home production. It investigates the degree to which there might be both underemployment in the labour market and underinvestment in education. A...

This book breaks away from the exclusively macroeconomic focus of development studies to bring the spotlight to the place where decisions are made: households. Complementing this microeconomic view with an aggregate approach, this volume uncovers clues to declining fertility, skyrocketing female...

This book breaks away from the exclusively macroeconomic focus of development studies to bring the spotlight to the place where decisions are made: households. Complementing this microeconomic view with an aggregate approach, this volume uncovers clues to declining fertility, skyrocketing female...

It is widely recognized that there is a continuum of physical growth and social-emotional and cognitive development across the life course, from the preconception health status of the mother through adulthood. This paper lays out a core economic model that illustrates the interrelationship of...

We examine the effect of single-sex classes on the pass rates, grades, and course choices of students in a coeducational university. We randomly assign students to all-female, all-male, and coed classes and, therefore, get around the selection issues present in other studies on single-sex...