Pew Charitable Trusts conducted a study of the 12 largest credit card issuers, which account for more than 88 percent of outstanding credit card debt in the United States. The study involved reviewing 400 credit cards, discussions with over 20 issuers and consumer groups and economic analyses of issuer practices and revenues. Pew released the study findings along with policy recommendations for protecting cardholders and promoting a functional marketplace.
For more click on the link below:
http://www.creditcardreform.org/pdf/Pew-survey-fact-sheet2009.pdf