A major issue raised by Alfred Marshall is whether competitive industries are subject to increasing or decreasing returns in the long run. If variations from constant returns exist, what are the causes, and is competitive output efficient? In competitive output is not efficient, what policies...

We examine whether online learning technologies have led to lower prices in higher education. Using data from the Integrated Postsecondary Education Data System, we show that online education is concentrated in large for-profit chains and less-selective public institutions. Colleges with a...

Although there exists an extensive and growing literature on how firms should and should not allocate costs, this literature has had only a limited impact on cost allocation practices. A possible explanation is that cost allocation proposals have not always captured essential aspects of the...

Our research uses data from multiple archival sources to examine substitution among armored (tank-intensive), infantry (troop-intensive), and airborne (also troop-intensive) military units, as well as mid-war reorganizations of each type, to estimate the marginal cost of reducing U.S. fatalities...