Stephen Salant

University of Michigan
Department of Economics
611 Tappan
254 Lorch Hall
Ann Arbor, MI 48109-1220
Tel: 734 223 7439

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NBER Working Papers and Publications

July 2014Hotelling Under Pressure
with Soren T. Anderson, Ryan Kellogg: w20280
We show that oil production from existing wells in Texas does not respond to price incentives. Drilling activity and costs, however, do respond strongly to prices. To explain these facts, we reformulate Hotelling's (1931) classic model of exhaustible resource extraction as a drilling problem: firms choose when to drill, but production from existing wells is constrained by reservoir pressure, which decays as oil is extracted. The model implies a modified Hotelling rule for drilling revenues net of costs and explains why production is typically constrained. It also rationalizes regional production peaks and observed patterns of price expectations following demand shocks.
June 2009A Free Lunch in the Commons
with Matthew J. Kotchen: w15086
We derive conditions under which cost-increasing measures - consistent with either regulatory constraints or fully expropriated taxes - can increase the profits of all agents active within a common-pool resource. This somewhat counterintuitive result is possible regardless of whether price is exogenously fixed or endogenously determined. Consumers are made no worse-off and, in the case of an endogenous price, can be made strictly better-off. The results simply require that total revenue be decreasing and convex in aggregate effort, which is an entirely reasonable condition, as we demonstrate in the context of a renewable natural resource. We also show that our results are robust to heterogeneity of agents and, under certain conditions, to costless entry and exit. Finally, we generalize the...

Published: Kotchen, Matthew J. & Salant, Stephen W., 2011. "A free lunch in the commons," Journal of Environmental Economics and Management, Elsevier, vol. 61(3), pages 245-253, May. citation courtesy of

June 2006Willpower and the Optimal Control of Visceral Urges
with Emre Ozdenoren, Dan Silverman: w12278
Common intuition and experimental psychology suggest that the ability to self-regulate, willpower, is a depletable resource. We investigate the behavior of an agent who optimally consumes a cake (or paycheck or workload) over time and who recognizes that restraining his consumption too much would exhaust his willpower and leave him unable to manage his consumption. Unlike prior models of self-control, a model with willpower depletion can explain the increasing consumption sequences observable in high frequency data (and corresponding laboratory findings), the apparent links between unrelated self-control behaviors, and the altered economic behavior following imposition of cognitive loads. At the same time, willpower depletion provides an alternative explanation for a taste for commitment, ...

Published: Emre Ozdenoren & Stephen W. Salant & Dan Silverman, 2012. "Willpower And The Optimal Control Of Visceral Urges," Journal of the European Economic Association, European Economic Association, vol. 10(2), pages 342-368, 04. citation courtesy of

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