Suppose you are comparing the income per capita in the united states and ghana. you try two approaches. in the first approach, you convert the ghana values into u. s. dollars using the current exchange rate between the u. s. dollar and the ghanaian cedi. in the second approach, you also convert both values to u. s. dollars using the purchasing power parity-adjusted exchange rate. which approach is likely to give you a more accurate picture of the living standards in both countries?

In 1914, alabama produced 1.7 million bales of cotton, but three years later produced only 515,000, bales. meanwhile, in georgia, 5.2 million acres of land was dedicated for cotton production in 1914, but by 1923 there were just 2.6 million acres used for growing cotton. all of this was the result of the work of a tiny insect: the boll weevil. alabama and georgia first felt the effects of the boll weevil at different times. what would account for this difference in timing? a) the infestation moved from west to east. b) the infestation moved from east to west. c) georgia had better ways to deal with the problem. d) alabama was further from the insect's point of origin.