Sumit Agarwal of the National University of Singapore, Andrea Presbitero of the IMF, and André Silva and Carlo Wix of the Federal Reserve find that American credit card reward program ...

When we think about the credit cards we have, there’s a reason why we signed up for them. It could be the exceptional cash back or travel rewards offered, or it was a generous low introductory ...

These cards offer rewards on everyday expenses ... Check the fine print because this is not universal, and some may require you to use your rewards within a certain time frame.