We use exogenous variations in fertility due to twin births to measure the impact of an unplanned child on married women's labor supply and earnings. Although the overall effects of an unplanned birth on labor supply are small, we find significant effects in the years immediately following the...

In much economic analysis it is a convenient fiction to suppose that changes over time in wages and employment are determined by shifts in supply or demand within a more or less competitive market framework Indeed, this framework has been effectively deployed to understand many episodes in...

This book challenges the static, ahistorical models on which Economics continues to rely. These models presume that markets operate on a "frictionless" plane where abstract forces play out independent of their institutional and spatial contexts, and of the influences of the past. In reality, at...