Brookings Papers on Economic Activity (BPEA) provides academic and business economists, government officials, and members of the financial and business communities with timely research on current economic issues. Contents: All Medicaid Expansions Are Not Created Equal: The Geography and Targeting of the Affordable Care Act Craig Garthwaite, John Graves, Tal Gross, Zeynal Karaca, Victoria Marone, and Matthew J. Notowidigdo Policies...