it's called increasing money supply bud, I already gave you the link, go learn something, more money in the system weakens the U.S., which helps boost exports, which helps growth the economy and create jobs, it also boosts asset prices so people's 401K's go up and they feel wealthier and spend more...it also helps businesses feel better about hiring when stock price of the company goes up, less pressure from shareholders to defend the bottom line and stay lean