Simon, Julian; Mokhtari, Manouchehr; Simon, Daniel - In: International Journal of the Economics of Business 3 (1996) 1, pp. 69-82
We study 33 pairs of advertising agencies that merged between 1947 and 1985, comparing each merging pair against two controls: (a) a pair of agencies with combined merger-date billings close to the total billings of the merged unit, and (b) a single agency with similar total merger-date...
