The Average Annual Percentage Rate (APR) for Credit Cards Held

question 55

Short Answer

The average annual percentage rate (APR) for credit cards held by U.S. consumers is approximately 15 percent ("Ouch - Credit Card APR Now Tops 15 Percent," Time, January 3, 2012). Suppose the APR for new credit card offers is normally distributed with a mean of 15% and a standard deviation of 4%. What APR must a credit card charge to be in the bottom 10% of all cards?

---

Definitions:

Perfectly Competitive

A market structure where there are many sellers and buyers, products are homogeneous, and there is free entry and exit, leading to efficient outcomes and zero economic profits in the long run.

Corn Farmer

An individual or entity engaged in the cultivation of corn as a crop for various uses, such as food, feed, and biofuel.

Marginal Cost

The cost of producing one additional unit of a product, a key concept in economic theory that helps firms optimize production and pricing strategies.

Average Product

The output produced per unit of a factor of production, calculated by dividing total product by the quantity of the input used in production.