According to the theory of consumption developed in class, optimal behavior by consumers is described by the combination of a budget constraint and a balancing of the marginal utility of current consumption with the marginal utility of future consumption, with an appropriate adjustment for the expected real interest rate. 0 True 0 False For a consumer who is a net lender, the income and substitution effects of an increase in the expected real interest rate work in opposite directions, implying current consumption could rise, fall, or remain unchanged. 0 True 0 False According to the theory of consumption developed in class, all rational people will necessarily want to save more and consume less when the expected real interest rate rises. 0 True 0 False