Why College Tuitions Are Up and Other Prices Are Down

It’s tough to find a real “list price” for a college tuition. According to NY Times money columnist Ron Lieber, the price charged by one school can vary considerably. Sort of like we all pay a different fare for the…

Why Buying Plum Jam Is Like Retaking the SAT

When shopping in a supermarket or deciding whether to retake a test, we should be aware of our left-digit bias.

Comparing Eggs to Bananas

By dividing the CPI into goods and services that can and cannot be traded, we can see the impact of trade on price changes.