New evidence on the correlation between the cycle and the real wage is provided by using panel data to adjust for the aggregation cum selectivity bias that arises when those who move in and out of the work force over the cycle have systematically different unobserved permanent and transitory...

We provide evidence of advantageous selection in the Medigap insurance market and analyze its sources. Conditional on controls for Medigap prices, those with Medigap spend, on average, $4,000 less on medical care than those without. But if we condition on health, those with Medigap spend $2,000...