Households typically know their nominal wages precisely, but only have a vague idea about he price of the goods and services they consume. Conditional on their nominal wage, this means that inflation is bad news and deflation is good news. If households face Knightian uncertainty about the price...

This paper applies direct tests for adverse selection and moral hazard in the market for child care. A unique data set containing quality measures of various characteristics of child care provided by 746 rooms in 400 centers, as well as the evaluation of the same attributes by 3,490 affiliated...