Question 1-4, answer True, False or Uncertain. Briefly explain your answer. Each question 5 marks. 1. According to the Fisher equation, nominal interest rates always exceed inflation rates. 2. An increasing marginal product of capital would reverse the Tobin effect. 3. While maintaining a fixed exchange rate through cooperative stabilization, countries cannot choose its preferred level of seigniorage. 4. In the model of random relocation, the existence of banks helps individuals achieve a better allocation. Compared with the allocation without banks, both movers and non-movers consume more.