This article evaluates the structural changes that have taken place in the Norwegian bus industry after competitive tendering was introduced in 1994 in order to show that this procurement mechanism implies more than just efficiency gains. In a long-term view the many takeovers and increasing...

The article first infers how consumer surplus in a market is linked to revenue under different assumptions about fare elasticity and when using different types of demand functions. This information is added to producer surplus in order to derive social surplus. The method, thus, produces a...