1. Comparative politics and the synthetic control method;Abadie;Am. J. Polit. Sci.,2015
2. The causal impact of education on economic growth: evidence from us;Aghion;Brook. Pap. Econ. Act.,2009
3. The Role Of Universities In Local Invention: Evidence From The Establishment Of Us Colleges. Job Market Paper;Andrews,2017
4. Local geographic spillovers between university research and high technology innovations;Anselin;J. Urban Econ.,1997
5. R&D spillovers and the geography of innovation and production;Audretsch;Am. Econ. Rev.,1996