“…Researchers have identified relationship marketing, social media impact, market promotion, R&D intensity, strategic account management, price regulations, mergers, capital structure, and financing decisions as some of the business functional factors influencing the performance of PSC (Bhardwaj et al, 2010;Desai & Desai, 2018;Dash et al, 2015;Enyinda et al, 2018;Golec & Vernon, 2010;Sil, 2015;Sharma, 2012). Among the functional factors, research showed that marketing-mix components effectively limited the influence of generic pharmaceutical brands (Wilkie et al, 2012).…”