1. Synthetic control methods for comparative case studies: Estimating the effect of California's tobacco control program;Alberto Abadie;Journal of the American Statistical Association,2010
2. Taxation and Innovation in the 20th Century;Ufuk Akcigit;NBER Working Paper Series,2021
3. The Fiscal State in Africa: Evidence from a century of growth;Thilo Albers;African Economic History Working Paper Series,2020
4. Capital Flows in a Globalized World: The Role of Policies and Institutions;Laura Alfaro;NBER Working Paper Series,2005