the importance and the necessity of huge investments in oil section, legal and financial frameworks adjusting the relationship between great investor companies and oil countries have long been important issues. the history of oil investment from colonial period endeavors to investigate the general frameworks defining the relationship between governments receiving the investment and companies. a...

We develop and implement a model for a profit maximizing firm that provides an intermediation service between commodity producers and commodity end-users distributed over a realistic spatial network. Producers and end-users trade with the firm through contracts for delivery of grain during the marketing season. The firm begins the marketing season with a portfolio of prearranged purchase and sa...

The literature on the economics of airline codesharing has suggested that codeshare agreements serve to eliminate double marginalization that exists when unaffiliated airlines independently determine the price for different segments of an interline trip. Using a structural econometric model, this paper investigates whether codeshare contracts do eliminate double marginalization. The results sug...