Ahcar Olmos, Jaime Rafael; Rodríguez-Barco, David - In: Estudios de economía 47 (2020) 2, pp. 193-219
systematically reduces coefficients. Nevertheless, the RTA effect is consistent across methods and specifications. The RTA effect …-significant or negative results. We apply robustness checks to individual RTA estimates by presenting PPML time-invariant fixed …