The relationship between slack resources and innovation is complex, with the literature linking slack to both breakthrough innovations and resource misallocation. We reconcile these conflicting views by focusing on a novel mechanism: the role slack time plays in the endogenous allocation of time...

We review research on revenue models used by online firms who offer digital goods. Such goods are nonrival, have near zero marginal cost of production and distribution, low marginal cost of consumer search and low transaction costs. Additionally, firms can easily observe and measure consumer...

We study the interplay between transportation infrastructure, knowledge flows, and innovation. Exploiting historical data on planned portions of the interstate highway system, railroads, and exploration routes as sources of exogenous variation, we estimate the effect of U.S. interstate highways...