Firms do product R&D (making new and better products) as well as process R&D (making cheaper products). There is evidence that firms denote an increasing share of R&D to process R&D over the life cycle of a product. There is also evidence that over time, the composition of buyers of a product...

In this paper three unlike coordinating contracts namely (i) joint rebate contract (ii) wholesale price discount contract and (iii) cost sharing contract are proposed for two echelon supply chain coordination perspective under stock and price induced demand. It is found analytically that the...