Topics to be Discussed o8.1 Keynesian consumption function o8. A simple two-period model o8.3 Consumption theory after Keynes Permanent-income Hypothesis Life-style Hypothesis o8.4 Real interest decision-making between consumption and saving 友学经济学院Topics to be Discussed  8.1 Keynesian consumption function  8.2 A simple two-period model  8.3 Consumption theory after Keynes ❖ Permanent–income Hypothesis ❖ Life-style Hypothesis  8.4 Real interest & decision-making between consumption and saving