-good Bertrand model intensifies competition: it lowers price and raises total surplus (but also makes profits go up). For some … Hansen's results for the relationship between uncertainty and competition in the Bertrand model. Second, it shows that his … reinforces the notion that uncertainty intensifies competition rather than softens it …

Though it is generally believed that increasing competition improves social welfare, we are able to show with a Shubik …–Levitan demand function for differentiated goods that this is not always the case. Under Cournot and Bertrand competition, market … and the equilibrium cannot achieve even the second‐best social welfare under either type of competition, regardless of …

This paper explores competition in the post 1996 long distance telephony market by employing an unusually detailed …