Two competitors with different abilities engage in a winner-take-all race; should we handicap the advantaged competitor in order to reduce the expected completion time of the race? I show that if the discouragement effect is strong, i.e., both competitors are discouraged from exerting effort when...

We study a flexible dynamic savings game in continuous time, where decision makers rotate in and out of power. These agents value spending more highly while in power creating a time-inconsistency problem. We provide a sharp characterization of Markov equilibria. Our analysis proceeds by...

The Great Recession, the Great Depression, and the Japanese slump of the 1990s were all preceded by periods of major technological innovation, which happened about 10 years before the start of the decline in economic activity. In an attempt to understand these facts, we estimate a model with...

We extend the basic Schumpeterian endogenous growth model by allowing incumbents to undertake innovations to improve their products, while entrants engage in more "radical" innovations to replace incumbents. Our model provides a tractable framework for the analysis of growth driven by both entry...

We extend the basic Schumpeterian endogenous growth model by allowing incumbents to undertake innovations to improve their products, while entrants engage in more “radical” innovations to replace incumbents. Our model provides a tractable framework for the analysis of growth driven by both...

Band alignment between the organic and inorganic layers in two-dimensional (2D) hybrid perovskites inherently determines their carrier spatial confinement and charge separation, which is of great importance for optoelectronic applications. However, 2D perovskites usually exhibit type-I band...

How can low consumer spending cause an inefficient recession or recovery? We propose a real theory of aggregate demand shortages that does not rely on nominal rigidities. In our theory, an economy can be demand constrained when, i) productivity in the consumption goods sector can be improved or...