President truman once said he wanted to find a one-armed economist because when he asked his economists for advice, they always answered, "on the one hand, on the other hand, " truman's observation that economists' advice is not always straightforward is rooted in the principle that people face tradeoffs. indicates that economists recognize that there are opportunity costs associated with policy decisions. confirms that economists are not suited to be presidential advisers. more than one of the above is correct.

An investor purchases 500 shares of nevada industries common stock for $22.00 per share today. at t = 1 year, this investor receives a $0.42 per share dividend (which is not reinvested) on the 500 shares and purchases an additional 500 shares for $24.75 per share. at t = 2 years, he receives another $0.42 (not reinvested) per share dividend on 1,000 shares and purchases 600 more shares for $31.25 per share. at t = 3 years, he sells 1,000 of the shares for $35.50 per share and the remaining 600 shares at $36.00 per share, but receives no dividends. assuming no commissions or taxes, the money-weighted rate of return received on this investment is closest to: