As the 2012 Diary of Consumer Payment Choice (DCPC) illustrates, there are advantages to measuring consumer expenditures by tracking the authorization of payments by instrument type (cash, check, debit or credit card, etc.). The main advantages of payment diaries appear to be the following: 1)...

We designed and fielded an experimental module in the American Life Panel (ALP) where we ask individuals to report the number of their purchases and the amount paid by debit cards, cash, credit cards, and personal checks. The design of the experiment features several stages of randomization....