This paper studies a dynamic model of crises with timing frictions that combines the main aspects of Morris and Shin (1998) and Frankel and Pauzner (2000). The usual arguments for existence and uniqueness of equilibrium cannot be applied. It is shown that the model has a unique equilibrium...

In this article, we show that a standard economic model, the endogenous learning-by-doing model, captures several major themes from the anxiety literature in psychology. In our model, anxiety is a fully endogenous construct that can be separated naturally into its cognitive and physiological...