please help me to solve it with explanation.

4. [10 points in total] The following is a media excerpt. Please based on this media excerpt answer the following questions. "All this frugality is producing a consumer-generated recession. What is needed is some policy action to stimulate consumer spending to move the economy out of its current lassitude. Consumer attitude surveys indicate that the time is ripe for such a move, and high savings rate of recent years has led many economy watchers to predict an upturn." a) What is consumer-generated recession? (2 points) b) What kind of policy action could stimulate consumer spending? Please show the effect of this policy you suggested on the AS-AD diagram. (4 points) c) What is the relevance of consumer attitude surveys? (2 points) d) Why has the high savings rate of recent years led to a prediction of an upturn? (2 points)