Das, Sabyasachi - In: Essays on price-quality competition, (pp. 5-37). 2020
horizontal differentiation between firms plays a crucial role in a certifier's optimal certification policy. Under a non …-profit certifier it is always the case that both firms produce the highest quality and opt for certification. This is also the case … differentiation is low, the for-profit certifier, by charging a very high certification fee, creates maximum vertical differentiation …