We assess size and scope-related economies in the global advertising and marketing services business. A translog cost function is employed wherein a firm's costs vary according to its scale and two dimensions of the scope of its operations. Parameters of the model are estimated via three stage...

How important are economies of scale and scope in advertising agency operations? This paper reports an econometric study undertaken to address this question. Cost models are formulated which represent how the principal component of agency costs, employment level, varies according to the mix of...

The common perception appears to be that vertical integration of advertising services is more the exception than the rule in the U.S. advertising industry. This study investigates the extent of such outsourcing and examines inter-industry variation in the use of in-house rather than independent...