1. Princeton University, CEPR, CESifo, and NBER
2. Harvard University, CEPR, and NBER
3. The University of Chicago Booth School of Business, CEPR, and NBER
4. Stanford University Graduate School of Business and NBER
5. New York University and NBER
6. Stanford University Graduate School of Business, CEPR, and NBER
7. The University of Chicago Booth School of Business, CEPR, CESifo, and NBER
8. Stanford University, CEPR, and NBER