Janssen, Maarten C. W.; Moraga-González, José Luis - 2007
primary effects of a merger. Our main result is that the level of search costs are crucial in determining the incentives of … profitable for the merging firms. If search costs are relatively high instead, a merger causes a fall in average price and this … triggers search. As a result, non-shoppers who didn’t find it worthwhile to search in the pre-merger situation, start searching …