An issue with estimating the impact of industrial support is that the firms that receive support may be politically connected, introducing omitted variable bias. Applying fixed-effects regressions on Vietnamese panel data containing several proxies for political connectedness to correct this...

Although numerous studies have evaluated the effect of tax credits on R&D, many have neglected the problem of selection bias. Furthermore, empirical studies have found that Japan's total factor productivity (TFP) growth has slowed since the 1990s, and Kim et al. (2010) have attributed this...