Articles from trade publications: ABI-Inform, Business Source Complete, Lexis/Nexis and Factiva are a possible source for radio, TV and cable advertising rates. Also articles from the Boston Business Journal are another possible source. Articles from journals: Broadcast & Cable and Television Week are a possible source for advertising rates.
Two publications from the Direct Marketing Association:
Mintel reports provide information on markets for consumer products, travel, lifestyles, and leisure. Our subscription predominately covers products and markets in the United States. Each report combines data & analysis of the competitive landscape and consumer profiles.
You can also check the Research Guide: Marketing for more complete sources for: