Research

Browse all of Michael Greenstone’s research papers, or filter them by a topic. Links to the published or working papers, data, code, and appendices with additional results are available for selected manuscripts. Abstracts for papers are available by clicking the ‘+’ next to the paper title.
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Climate Change and Social Cost of Carbon 21
Energy and Environment in Developing Countries 27
Costs and Benefits of Environmental Quality in the U.S. 17
Energy Supply and Demand in the U.S. 8
Value of a Statistical Life 4
Financial Markets 5
Moving Toward Evidence-Based Policymaking 5
Other 15
Working Papers
The Heterogeneous Value of a Statistical Life: Evidence from U.S. Army Reenlistment Decisions

We estimate the value of a statistical life (VSL), or the willingness to trade-off wealth and mortality risk, among 430,000 U.S. Army soldiers choosing whether to reenlist from 2002-2010. Using a discrete choice random utility approach and significant variation in retention bonuses and mortality risk, we recover average VSL estimates between $500,000 and $900,000, an order of magnitude smaller than U.S. civilian labor market estimates. We then document substantial heterogeneity by recovering indifference curves between wealth and mortality risk. The VSL increases with mortality risk within type, and soldiers in combat occupations have lower VSLs than those in noncombat occupations.

Becker Friedman Institute for Economics WP#2021-75, September 2021

With Kyle Greenberg, Stephen Ryan, and Michael Yankovich
Published Papers
Estimating the Value of a Statistical Life: The Importance of Omitted Variables and Publication Bias

American Economic Review Papers and Proceedings, 2004, 94(2): 454-460.

With Orley Ashenfelter
Using Mandated Speed Limits to Measure the Value of a Statistical Life

In 1987 the federal government permitted states to raise the speed limit on their rural interstate roads, but not on their urban interstate roads, from 55 mph to 65 mph. Since the states that adopted the higher speed limit must have valued the travel hours they saved more than the fatalities incurred, this institutional change provides an opportunity to estimate an upper bound on the public’s willingness to trade off wealth for a change in the probability of death. Our estimates indicate that the adoption of the 65‐mph limit increased speeds by approximately 4 percent, or 2.5 mph, and fatality rates by roughly 35 percent. Together, the estimates suggest that about 125,000 hours were saved per lost life. When the time saved is valued at the average hourly wage, the estimates imply that adopting states were willing to accept risks that resulted in a savings of $1.54 million (1997 dollars) per fatality, with a sampling error roughly one‐third this value. We set out a simple model of states’ decisions to adopt the 65‐mph limit that turns on whether their savings exceed their value of a statistical life. The empirical implementation of this model supports the claim that $1.54 million is an upper bound, but it provides imprecise estimates of the value of a statistical life.

Journal of Political Economy, 2004, 112(1): 226-267.

With Orley Ashenfelter
A Reexamination of Resource Allocation Responses to the 65-Mph Speed Limit

In a recent issue of Economic Inquiry (35[3]: 614–20) Lave and Elias (1997) contend that the 1987 increase in speed limits to 65 mph on rural interstate roads caused a reduction in statewide fatality rates. They argue that increased fatality rates on rural interstates were counterbalanced by declines on other roads due to compensatory reallocations of drivers and state police. This article is unable to find any empirical evidence of these reallocations. This removes the empirical basis for their hypothesis and implies that the effect of the 65-mph speed limit can be inferred from an analysis of rural interstates only. On these roads, fatality rates increased dramatically.

Economic Inquiry, 2002, 40(2): 271-278.

Other Papers
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