“…The literature on the effect of subsidies on innovative firms began in the 2000s, seeking to determine if there was a crowding-out effect on the companies internal R&D expenditure. In general, these studies found this effect is positive, and firms receiving subsidies end up spending a higher amounts of R&D than they would have spent without the subsidy, that is, the so-called input additionality effect (Aerts & Czarnitzki, 2004;Aerts & Schmidt, 2008;Almus & Czarnitzki, 2003;Busom, 2000;Cerulli & Potì, 2008Choi & Lee, 2017;Chudnovsky, Lopez, Rossi, & Ubfal, 2006;Cin, Kim, & Vonortas, 2017;Czarnitzki & Delanote, 2015;Czarnitzki, Ebersberger, & Fier, 2007;Czarnitzki & Hussinger, 2018;Czarnitzki & Lopes-Bento, 2012Engel, Rothgang, & Eckl, 2016;González & Pazó, 2008;Görg & Strobl, 2007;Heshmati & Lööf, 2005;Jiang et al, 2018;Lach, 2002;Sanguinetti, 2005).…”