NEW YORK (CNNMoney) -- The United States holds a disproportionate amount of the world's rich people. It only takes $34,000 a year, after taxes, to be among the richest 1% in the world. That's for each person living under the same roof, including children. (So a family of four, for example, needs to make $136,000.)
Good arguments can provide lessons that last a lifetime. But psychologist Joseph P. Allen's research shows that yelling isn't the answer. "The teens who learned to be calm and confident and persuasive with their parents acted the same way when they were with their peers," he says.
If you're the parent of a teenager, you likely find...
