“…For both the pharmaceutical and biopharmaceutical industries, product diversification and collaboration strategies are used for successful product development, which can lead to the enhancement of firm performance. Previous studies discussed product diversification in both the pharmaceutical industry (Gino et al, 2006; Grewal et al, 2008; Laursen, 1996; Nogueira & Bataglia, 2018) and biopharmaceutical industry (Lin & Chen, 2005; Zhang & Tang, 2018). From the resource‐based theory, diversifying a firm's product development is viewed as leveraging its resources across product lines, which can engender economies of scope as long as such development is done within the firm's existing capability (Jay, 1991; Teece, 1986).…”