This paper investigates the determinants of price dispersion between staple and non-staple goods in grocery retailing, as the result of pricing decisions by multiproduct firms. Theoretical predictions about the nature of supermarkets' pricing behaviour are compared and tested empirically using...

Crude oil markets witness growing disparity between the quality of crudes supplied and demanded in the market. The market share of low-quality crudes is increasing due to the depletion of old fields and increasing demand. This is unnerving the practitioners and affecting the relevance of the...