1. University College London, Institute for Fiscal Studies (IFS) and J-PAL. IFS, 7 Ridgmount St., WC1E 7AE, London (email: )
2. IFS, 7 Ridgmount St, WC1E 7AE, London (email: )
3. European Bank for Reconstruction and Development (EBRD) and Tilburg University. EBRD, One Exchange Square, EC2A 2JN, London (email: )
4. EBRD and WZB. EBRD, Emmar Towers, 196 Zahran Street, 15th floor, P.O. Box 852805, Amman 11185, Jordan (email: )