We discuss properties of alternatives or complements to GDP as a measure of welfare at business cycle frequencies. We argue that these figures are not useful to measure the welfare costs of business cycles. First, data is not available at an appropriate quality and frequency. Second, since the...

I analyze a monopolistic model of quality uncertainty but with the possibility of information acquisition on the consumer side. Information is costly and its amount is chosen by the consumer. The analysis of Bayesian equilibria shows the possibility of three equilibrium classes, only one of...