Traditional models of consumer choice assume consumers are aware of all products for sale. This assumption is questionable, especially when applied to markets characterized by a high degree of change, such as the personal computer (PC) industry. I present an empirical discrete-choice model of...

This paper provides an update on the current state of in-house agencies. Whereas traditional consideration of internalizing advertising services was framed as a binary choice of build or buy, today's advertisers frequently pursue hybrid policies of build and buy to procure the customized bundle...