This study has four main goals: (1) diagnosing the organizational culture of Tehran׳s pharmaceutical companies; (2) investigating the implementation of different categories of TQM in these companies; (3) comparing two models explaining the relationships among culture, TQM and performance; (4)...

Opportunism is recognized as a key factor that can affect the quality of relationship between buyers and sellers. However, there is a relative lack of research in the antecedents of opportunism. This paper draws upon transaction cost economics and relationship marketing paradigms to propose a...