Karen Clay

Professor of Economics and Public Policy, Heinz College, and by Courtesy, Tepper School of Business

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Education

• Stanford University - Ph D (Economics) - 1994
• University of Virginia - BA - 1988

Publications

• Adapting to Climate Change: Evidence from Long-Run Changes in the Temperature-Mortality Relationship in the 20th Century United States

  (author(s): Alan Barreca, Karen Clay, Olivier Deschenes, Michael Greenstone, Joseph Shapiro)
  Journal of Political Economy 124(1), 2016; 105-159

• Convergence in Adaptation to Climate Change: Evidence from High Temperatures and Mortality, 1900-2004

  (author(s): Alan Barreca, Olivier Deschenes, Michael Greenstone, Joseph Shapiro)
  American Economic Review, Paper and Proceedings 105(5), 2015; 247-251

• Boom and Bust in Pittsburgh Natural Gas History: Development, Policy, and Environmental Effects, 1878–1920

  (author(s): Joel Tarr , Karen Clay)
  Pennsylvania Magazine of History and Biography 139(3), 2015; 323-342

• Lead and Mortality

  (author(s): Karen Clay, Werner Troesken, Michael Haines)
  Review of Economics and Statistics 96(3), 2014; 458-470

• Tariff Choice with Consumer Learning and Switching Costs

  (author(s): Daniel Berkowitz, Karen Clay)
  Journal of Marketing Research 48(4), 2011; 633–652

• Pittsburgh as an Energy Capital: A Life-Cycle Perspective on Coal and the Transition to Natural Gas
  Energy Capitals: Local Impact, Global Influence, pp. 5-29 (Martin Melosi and Joseph Pratt, eds.)

  (author(s): Karen Clay, Joel Tarr)
  Pittsburgh: University of Pittsburgh Press; 2014

• Gold Rush Legacy: American Minerals and the Knowledge Economy
  The Evolution of Property Rights Related to Land and Natural Resources, pp. 67-95 (Daniel Cole and Elinor Ostrom, eds.)

  (author(s): Karen Clay, Gavin Wright)
  Cambridge: Lincoln Land Institute Press; 2012

• Did Frederick Brodie Discover the World’s First Environmental Kuznets Curve? Coal Smoke and the Rise and Fall of the London Fog
  The Economics of Climate Change: Adaptations Past and Present, pp. 281-210 (Gary Libecap and Richard H. Steckel, eds.)

  (author(s): Karen Clay, Werner Troesken)
  Chicago: University of Chicago Press; 2011

• The Evolution of a Nation: How Geography and Law Shaped the American States
  

  (author(s): Karen Clay, Joel Tarr)
  Princeton University Press; 2011

• Natural Resources and Economic Outcomes
  Economic Evolution and Revolution in Historical Time (Paul Rhode, Joshua Rosenbloom and David Weiman, eds.)

  (author(s): Karen Clay)
  Stanford: Stanford University Press; 2011

• Migrating to Riches? Evidence from the California Gold Rush

  (author(s): Karen Clay, Randall Jones)
  Journal of Economic History 68(04), 2008; 997–1027

• The Effect of Judicial Independence on Courts: Evidence from the American States

  (author(s): Daniel Berkowitz, Karen Clay)
  The Journal of Legal Studies 35(2), 2006; 399–440

• Ranchos and the Politics of Land Claims
  Land of Sunshine: Toward an Environmental History of Los Angeles (Bill Deverell and Greg Hise, eds.)

  (author(s): Karen Clay, Werner Troesken)
  Pittsburgh: University of Pittsburgh Press; 2006

• American Civil Law Origins: Implications for State Constitutions

  (author(s): Daniel Berkowitz, Karen Clay)
  American Law and Economics Review 7(1), 2005; 62–84

• Order Without Law? Property Rights During the California Gold Rush

  (author(s): Karen Clay, Gavin Wright)
  Explorations in Economic History 42(2), 2005; 155–183

• An Empirical Analysis of Network Externalities in Peer-to-Peer Music-Sharing Networks

  (author(s): Atip Asvanund, Karen Clay, Ramayya Krishnan, Michael Smith)
  Information Systems Research 15(2), 2004; 155-174

• Designing a Better Shopbot

  (author(s): Alan Montgomery, K. Hosanagar, R. Krishnan, Karen Clay)
  Management Science 50(2), 2004; 189-206

• Further Tests of Static Oligopoly Models: Whiskey, 1882

  (author(s): Karen Clay, Werner Troesken)
  The Journal of Industrial Economics 51(2), 2003; 151–166

• Strategic Behavior in Whiskey Distilling, 1887-1895

  (author(s): Karen Clay, Werner Troesken)
  The Journal of Economic History 62(04), 2002; 999–1023

• Institutional Barriers to Electronic Commerce: An Historical Perspective

  (author(s): Karen Clay, Robert Strauss)
  Advances in Strategic Management 19, 2002; 247-273

• Retail Strategies on the Web: Price and Non-Price Competition in the Online Book Industry

  (author(s): Karen Clay, Ramayya Krishnan, Eric Wolff, Danny Fernandes)
  Journal of Industrial Economics 50(3), 2002; 351-67

• The Great Experiment: Pricing on the Internet
  The E-Business Handbook (Paul B. Lowry, J. Owen Cherrington, and Ronald R. Watson, eds.)

  (author(s): Karen Clay, Ramayya Krishnan, Michael D. Smith)
  New York: CRC Press; 2002

• Prices and Price Dispersion on the Web: Evidence from the Online Book Industry

  (author(s): Karen Clay, Ramayya Krishnan, Eric Wolff)
  The Journal of Industrial Economics 49(4), 2001; 521–539

• Trust, Risk and Electronic Commerce: Nineteenth Century Lessons for the Twenty-First Century

  (author(s): Karen Clay, Robert Strauss)
  Proceedings of the Annual Conference on Taxation and Minutes of the Annual Meeting of the National Tax Association 93, 2000; 53–63

• The Choice-Within-Constraints New Institutionalism and Implications for Sociology

  (author(s): Paul Ingram, Karen Clay)
  Annual Review of Sociology 26, 2000; 525–546

• Squatting and the Settlement of the United States: New Evidence from Post-Gold Rush California

  (author(s): Werner Troesken, Karen Clay)
  Advances in Agricultural Economic History 1, 2000; 207-33

• Property Rights and Institutions: Congress and the California Land Act 1851

  (author(s): Karen Clay)
  The Journal of Economic History 59(01), 1999; 122–142

• Trade, Institutions, and Law: The Experience of Mexican California
  Studies in the Economic History of the Pacific Rim (Sally M. Miller, A. J. H. Latham, and Dennis O. Flynn, eds.)

  (author(s): Karen Clay)
  New York: Routledge; 1998

• Trade, Institutions, and Credit: Contract Enforcement on the California Coast, 1830-1846

  (author(s): Karen Clay)
  Explorations in Economic History 34(4), 1997; 495-521

• Trade Without Law: Private-Order Institutions in Mexican California

  (author(s): Karen Clay)
  Journal of Law, Economics, and Organization 13(1), 1997; 202–231

• A Coasean General Equilibrium Model of Regulation

  (author(s): Karen Clay)
  Journal of Public Economics 53(3), 1994; 459–475

• Ex Post vs. Ex Ante Pricing: Optional Calling Plans and Tapered Tariffs

  (author(s): Karen Clay, David Sibley, Padmanabhan Srinagesh)
  Journal of Regulatory Economics 4(2), 1992; 115–138

Working Paper

• Pollution, Infectious Disease, and Infant Mortality: Evidence from the 1918-1919 Spanish Influenza Pandemic/a>

  (author(s): Karen Clay, Joshua Lewis, Edson Severnini)
  NBER Working Paper #21635 and IZA Working Paper #9399

• The Rise and Fall of Pellagra in the American South

  (author(s): Karen Clay, Ethan Schmick, Werner Troesken)
  NBER Working Paper #23730

• The Short-Run and Long-Run Effects of Resources on Economic Outcomes: Evidence From the United States 1936-2015

  (author(s): Karen Clay, Margarita Portnykh)
  NBER Working Paper #24695

• Toxic Truth: Lead and Fertility

  (author(s): Karen Clay, Margarita Portnykh, Edson Severnini)
  NBER Working Paper #24607 and IZA Working Paper #11541

• The External Costs of Transporting Petroleum Products by Pipelines and Rail: Evidence From Shipments of Crude Oil from North Dakota

  (author(s): Karen Clay, Akshaya Jha, Nick Muller, Randy Walsh)
  NBER Working Paper #23852

• Canary in a Coal Mine: Impact of Mid-20th Century Air Pollution on Infant Mortality and Property Values

  (author(s): Karen Clay, Joshua Lewis, Edson Severnini)
  NBER Working Paper #22155 and IZA Working Paper #9484

• Laws, Educational Outcomes, and Returns to Schooling: Evidence from the Full Count 1940 Census

  (author(s): Karen Clay, Jeff Lingwall, Mel Stephens)
  NBER Working Paper #22855

• Controlling Tuberculosis? Evidence from the Mother of all Community-Wide Health Experiments

  (author(s): Karen Clay, Peter Juul Egedeso, Casper Worm Hansen, Peter Sandholt Jensen)
  University of Copenhagen Working Paper, No. 18-03

• Coal, Smoke, and Death: Bituminous Coal and American Home Heating

  (author(s): Karen Clay, Alan Barreca, Joel Tarr)
  NBER Working Paper #19881 and IZA Working Paper #7987