This work models outsourcing under oligopolistic competition with nonlinear costs. I show that in a covered market, if each firm's marginal cost before outsourcing is lower than the industry's average cost, outsourcing leads to increased prices and decreased consumer welfare. Joint outsourcing...

I model manufacturers competing through a retailer. I model two types of advertising that each firm can engage in: advertising that increases product differentiation and advertising that increases (possibly perceived) value of the product. While the two types of advertising result in...