@misc{BertautHaliassos2006, author = {Carol C. Bertaut and Michael Haliassos}, title = {Credit cards: facts and theories}, booktitle = {Center for Financial Studies (Frankfurt am Main): CFS working paper series ; No. 2006,19}, number = {April 2005}, institution = {Center for Financial Studies (CFS)}, series = {CFS working paper series}, number = {2006, 19}, type = {workingpaper}, pages = {55}, year = {2006}, }