[1] Univ Calif San Diego, Dept Econ, San Diego, CA 92103 USA
[2] Amer Enterprise Inst Publ Policy Res, Washington, DC 20036 USA
[3] CESifo, Dresden, Germany
[4] NBER, Cambridge, MA 02138 USA
[5] Harvard Univ, Dept Econ, Cambridge, MA 02138 USA
[6] IE Sch Global & Publ Affairs, Ctr Governance Change, Barcelona, Spain
[7] Tilburg Univ, Dept Econ, Tilburg, Netherlands