Opportunity Zones, created by the Tax Cuts and Jobs Act of 2017, offer investors capital gains tax incentives to invest in any of the 8,764 eligible Census tracts (12% of all Census tracts in the U.S.). The Hutchins Center on Fiscal and Monetary Policy at the Brookings Institution convened an invitation-only, on-the-record conference on Opportunity Zones on November 18, 2022, including presentations of four empirical papers and two roundtables. One roundtable asked: What data are needed to fully evaluate Opportunity Zones? The other asked: What does success for Opportunity Zones look like? The agenda and a list of participants, not all of whom participated in the entire event, are at the end of this summary. The conference was supported by Arnold Ventures . The Hutchins Center was solely responsible for its content. Among the highlights: The best data to measure the impact of OZs is collected by the IRS, but it is available only to Treasury and certain Congressional researchers, limiting the ability of outside, independent researchers to evaluate OZs. Researchers are, however, using commercially available real estate data to try to gauge the impact of OZs, but are constrained by the absence of information about whether particular investments […]