Role of top & middle management support and strategic purchasing in gaining competitive advantage: Mediation of internal supply chain management

In modern globalized era with a lot of consistent fluctuations, the need for a unique and long terms competitive advantage (CA) has become crucial. In response to the need for researches on drivers of CA, the purpose of the present study is to investigate the impact of TMMS and purchasing strategy on the internal SCM of the firm and then the ultimate impact of internal SCM on competitive advantage of the firm. The study was performed quantitatively to analyze relationships and the relationships were supported through theory of SCM. The data for the current study was gathered from managerial level employees of firms included in the sample.