The Consumer Price Index “is a measure of the average change over time in the prices paid by urban consumers for a market basket of consumer goods and services,” according to the Bureau of Labor ...

The “hemline index” is one of those economic theories that never quite disappears. Popularized in the 20th century, it claims a correlation between skirt lengths and the stock market: shorter hemlines ...

We've all heard: "It's not the heat; it's the humidity." Well, it's not just a cliché; there is truth to it. According to the National Weather Service, the heat index is what the temperature feels ...