This paper introduces a classification of DSGEs from a Markovian perspective, and positions the class of POMDP (Partially Observable Markov DecisionProcess) to the center of a generalization of linear rational expectations models. The analysis of the POMDP class builds on the previous...

In this paper, we consider a producer who faces uninsurable business risks due to incomplete spanning of asset markets over stochastic goods market outcomes, and examine how the presence of the uninsurable business risks affects the producer’s optimal pricing and production...

In a many-sector production economy where each sector’s output is used as input for every sector, a general equilibrium implies zero profit for everyone, whereas one market in excess demand implies positive profits for all others in their partial equilibrium. If more than one...

This paper proposes an explanation for mixed evidence on the behaviors of markups. The key mechanism consists of two complementary channels of risk internalization that arise when firms face uninsurable business risks. One channel is based on passive risk consideration, through which firms raise...

We re-investigate the delayed overshooting puzzle. We find that delayed overshooting is primarily a phenomenon of the 1980s when the Fed was under the chairmanship of Paul Volcker. Related findings are as follows: (1) Uncovered interest parity fails to hold during the Volcker era and tends to...