“…The effects of firms' investments on competitive position have been approached by many authors with different results. Some of them concluded that firm growth by investment positively influences firm's competitive advantage (Kulatilaka and Perotti, 1998;del Sol and Ghemawat, 1999;Tsai and Wang, 2004); that firms investment have a positive effect on firms' performance, which is commonly used as a proxy to competitive advantage (Brailsford and Yeoh, 2004;Amir et al, 2007;Gupta and Banga, 2009;Fang Yang, 2014;Pandya, 2017;Zuoza and Pilinkien_ e, 2019;Kim et al, 2021); that the effects of R&D investments on competitive advantage are contingent on the degree of competition faced by firms (Miller et al, 2005;Tubbs, 2007;Rav selj and Aristovnik, 2020), and that firms adjust their investment in R&D and in Capex when facing financial constraints in times of crisis (Flammer and Ioannou, 2021).…”