We examine theoretically and empirically the properties of the equilibrium wage function and its implications for policy. Our emphasis is on how the researcher approaches economic and policy questions when there is labor market heterogeneity leading to a set of wages. We focus on the application...

When OSHA was established, proponents believed it would dramatically improve the safety and health of American workers. During the forty years of its existence, workplace fatalities and nonfatal injuries and illnesses have fallen but OSHA is not the major cause of this decline. Changes in the...