Using data from multiple card issuers, we show that the most common penalty fee type incurred by credit card holders – late payment fees – declines sharply over the first few months of card life. This phenomenon is wholly due to some consumers adopting automatic payments after a late payment...

We provide the first tests to distinguish whether individual investors equally balance their overall portfolios (naïve portfolio diversification—NPD) or engage in naïve buying diversification (NBD)—equally balancing values in same-day purchases of multiple assets. We find NBD in purchases...

We provide the first tests to distinguish whether individual investors equally balance their overall portfolios (naïve portfolio diversification—NPD) or engage in naïve buying diversification (NBD)—equally balancing values in same-day purchases of multiple assets. We find NBD in purchases...

We provide the first tests to distinguish whether individual investors equally balance their overall portfolios (naïve portfolio diversification--NPD) or engage in naïve buying diversification (NBD)--equally balancing values in same-day purchases of multiple assets. We find NBD in purchases of...

Automatic payments are increasingly common. The psychologies of the prominent of number, defaults and inattention combine to create an unexpected side effect of automatic payments. We see that credit card holders set a default automatic payment to match their modal repayment behavior. For those...

The disposition effect is regarded as a property of an individual stock: If an investor has made a loss on a stock, he or she is less likely to sell it, whereas if an investor has made a gain on a stock, he or she is more likely to sell it. This means that the more stocks in a portfolio are in...