product lines by adding or removing products of different qualities following a merger. Such mergers are materially different … consumer surplus, but only when the pre-merger industry structure satisfies certain observable features. Post-merger synergies … of how a merger affects consumers. A merger may benefit some outsiders but harm others …

simple model of symmetric oligopoly where firms select a two dimensional strategy set of price and a non-price variable known … einfaches, symmetrisches Oligopol-Modell beleuchten, wo Firmen gleichzeitig eine zwei-dimensionale Strategie wählen, bestehend …