According to the rational expectations view, . Group of answer choices people use only past information to form expectations about future inflation rates the long-run inflation rate is equal to zero the economy will never deviate from the natural rate of unemployment for any anticipated policy expected inflation is always less than actual inflation announced money-growth policies are quite effective in reducing unemployment below its natural rate

economy will never deviate from the natural rate of unemployment for any anticipated policy

Explanation:

For any anticipated policy the economy will never deviate from the natural rate of unemployment. According to the theory of rational expectations, people will use all resources available to build an opinion on the economic event, and respond accordingly.

Therefore response is 3 (people should correctly predict the policy outcome and adapt accordingly).

answer: marginal utility of the fourth brownie is 0.

explanation: marginal utility is the addtional utility gained from the consumption of one more unit of a good. it is given by,

so, marginal utility at the 4th unit will be given by

since, the values are not given here, you can simply find marginal utility at fourth unit by subtracting total utility at 3rd unit from total utility at 4th unit.