We present a sticky-price model incorporating heterogeneous firms and systematic firm-level productivity trends. Aggregating the model in closed form, we show that it delivers radically different predictions for the optimal inflation rate than canonical sticky price models featuring homogenous...

This paper analyzes the main uncertainty of college saving - the child’s ability - in the context of the saving with learning model. The first section develops a dynamic model combining asset accumulation and learning to explain the parents’ forward-looking saving behavior when they are...