We construct a model of firm dynamics with heterogeneous productivity and distortions. The productivity distribution evolves endogenously as the result of the decisions of firms seeking to upgrade their productivity over time. Firms can adopt two strategies toward that end: imitation and...

We construct an endogenous growth model with random interactions where firms are subject to distortions. The TFP distribution evolves endogenously as firms seek to upgrade their technology over time either by innovating or by imitating other firms. We use the model to quantify the effects of...

In the heart of the Great Crisis, amidst great uncertainty and concerns surrounding the future of capitalism, John Maynard Keynes launched his optimistic prophecy that growth and technological change would allow mankind to solve its economic problem within a century. He envisioned a world where...