Jeff holds $50,000 wealth which has a utility of 7.07 utils (assuming utility is the square root of wealth in thousand dollars). He considers investing this in a gamble which has a 0.6 probability of increasing his total wealth to $100,000 and 0.4 probability of decreasing it to $30,000 . What will be Jeff's expected utility from the gamble?

Farm productivity can always be improved by

a. transforming small plots into larger ones b. encouraging the use of modern equipment c. making sure that each farmer has land in each ecological zone d. encouraging monocropping e. none of the above

If, in retaliation for "unfair" trade practices, Congress imposes a 30 percent tariff on Japanese DVD recorders, but at the same time, U.S. demand for Japanese goods increases, then, in the long run, ________, everything else held constant

A) the Japanese yen should appreciate relative to the U.S. dollar B) the Japanese yen should depreciate relative to the U.S. dollar C) there is no effect on the Japanese yen relative to the U.S. dollar D) the Japanese yen could appreciate, depreciate or remain constant relative to the U.S. dollar