Technological uniqueness, defined as the degree to which a firm’s patented technologies differ from its industry competitors, has an unclear relationship with firm performance. On the one hand, recent empirical work in economics suggests that technological uniqueness can act as a barrier to...

We explore the critical question of how executives make strategic decisions. Utilizing a new survey of 262 CEO alumni of Harvard Business School, we gather evidence on four aspects of each executive’s business strategy: its overall structure, its formalization, its development, and its...

We propose a new sufficient statistic to measure the ex-post welfare gains from trade in CES models featuring any productivity distribution or pattern of selection into production and exporting. Our statistic is based on a single data moment, the change in the market share of continuing domestic...

We explore the critical question of how executives make strategic decisions. Utilizing a new survey of 262 CEO alumni of Harvard Business School, we gather evidence on four aspects of each executive's business strategy: its overall structure, its formalization, its development, and its...

We combine structural estimation with ideas from Machine Learning to estimate a model with information-based voluntary social distancing and state lockdowns to analyze the factors driving the effect of social distancing in mitigating COVID-19. The model allows us to estimate how contagious...