In this paper I examine the incentives for voluntary disclosure of advertising expenditures for a sample of US firms for the period 1994-2003. I estimate proxies for the proprietary costs and valuation benefits of advertising with data from the mandatory disclosure period. My proxy for...

We examine the valuation role of customer acquisition cost, retention and usage in the wireless industry during the period 1997-2004. We develop and test a model that links customer acquisition cost, customer retention and call usage to future financial performance and valuation. In doing so, we...