The Income Maintenance Experiments have received renewed attention due to growing international interest in a Basic Income. Proponents viewed a Negative Income Tax as a replacement for traditional welfare with stronger work incentives and reduced poverty. However, existing labor supply estimates...

We analyze changes in unemployment, marginal labor force attachment and participation in Canada and the U.S. Using two complementary decompositions, we show the importance for the comparative evolution of aggregate unemployment of changes in the fraction of the non-employed who are unemployed...