Joshua S. Graff Zivin is associate professor of economics at the Universtiy of California, San Diego. He is a research associate of the NBER. Jeffrey M. Perloff is professor in the Department of Agricultural and Resource Economics at the University of California, Berkeley, and a former member of the NBER Board of Directors.

Joshua S. Graff Zivin is associate professor of economics at the Universtiy of California, San Diego. He is a research associate of the NBER. Jeffrey M. Perloff is professor in the Department of Agricultural and Resource Economics at the University of California, Berkeley, and a former member of the NBER Board of Directors.

Joshua S. Graff Zivin is associate professor of economics at the Universtiy of California, San Diego. He is a research associate of the NBER. Jeffrey M. Perloff is professor in the Department of Agricultural and Resource Economics at the University of California, Berkeley, and a former member of the NBER Board of Directors.