“…The building blocks of the model are the variables identified in the relevant literature (see, Table 2). Spence (1984), Katz (1986), D' Aspremont and Jacquemin (1988), Kamien et al (1992), Kamien and Zang (2000), Czarnitzki et al (2007), Bourreau and Dogan 2010 2019Marginal manufacturing costs D' Aspremont and Jacquemin (1988), Kamien et al (1992), Kamien and Zang (2000), Lee and Sung (2005), Lafay and Maximin (2017) Price of a final good Kamien et al (1992), Ziss (1994), Qiu (1997), Hinloopen (2000), Karbowski and Prokop (2018) Output of a final good D' Aspremont and Jacquemin (1988), Kamien et al (1992), Kamien and Zang (2000), Lafay and Maximin (2017), Karbowski and Prokop (2018) Quality of a final good Lee (1999), Lee and Sung (2005) Consumer utility from a final good Lee (1999), Lee and Sung (2005) Total revenues (sales) D' Aspremont and Jacquemin (1988), Kamien et al (1992), Kamien and Zang (2000), Lee and Sung (2005), Lafay and Maximin (2017) Total profits D' Aspremont and Jacquemin (1988), Kamien et al (1992), Kamien and Zang (2000), Lee and Sung (2005), Lafay and Maximin (2017), Karbowski and Prokop (...…”