Tina must make a decision about the number of bottles of sports drink and how many cases of water she wants to purchase for her soccer practices. Tina decided to buy four cases of water and 16 bottles of sports drink. As she waited in line to check out, Tina noticed there was a special display offering five cases of water for the price of four. Tina opted to pick up an additional case of water, even though she might not use it until next week. Tina exhibited the economic principle of , because she decided that five cases of water and 16 bottles of sports drink was better than four cases of water and 16 bottles of sports drink.

Suppose that the u.s. dollars-mexican pesos exchange rate is fixed by the u.s. and mexican governments. assume also that labor is mobile between the united states and mexico due to low transportation costs.which of the following situations is likely to happen as a result of a simultaneous increase in the demand for u.s. goods and decrease in the demand for mexican goods? (pick mexican unemployment rate increases, and the country undergoes bad economic times for a sustained u.s. unemployment rate increases, and the country undergoes bad economic times for a sustained mexican unemployment rate rises at first, but it soon drops as unemployed mexicans move to the united states for mexican unemployment rate rises at first, but then it drops as mexican pesos depreciate against u.s. dollars.