The long-run evolution of per-capita income exhibits a structural breakoften associated with the Industrial Revolution. We follow Mokyr (2002) and embedthe idea that this structural break reflects a regime switch in the evolution of technologicalknowledge into a dynamic framework, using Airy...

We study the effect of hyperbolic discounting on competitive equilibria in secondary markets for a durable good. Under exponential discounting, secondary markets are irrelevant in our model. They do not affect the price in the initial period and are neutral to the allocation. Under hyperbolic...

Digital technology has dramatically changed the structure of many industrial sectors. The rise of the Internet and increased broadband access have given rise to new business models and strategies for firms dealing with both electronic and physical goods. Industrial Organization and the Digital...

We extend the theory of advertising as a quality signal, using a model where an entrant can choose to advertise by comparing its product to that of an established incumbent. Comparative advertising, comparing quality of one’s own product to that of a rival’s, empowers the latter to file for...

Alliances between competitors in which established firms provide access to proprietary resources, e.g. their distribution channels, are important business practices. We analyze a market where an established firm, firm A, produces a product of well-known quality, and a firm with an unknown brand,...