What is the impact of the world’s billionaires?

More than 100 years ago, J.D. Rockefeller became the world’s first billionaire — and changed our economy forever. Today’s richest people affect our daily lives, from the phone we use to the price tag on our lawn mower.

BY Betsy Simon

What drives the price of gas?

An oil executive and economist agree — the old principle of supply and demand are key to setting fuel prices.

BY Dierre Littleton, ’15