The Keynesian Cross E Real Expenditure(Output) Unwanted inventoriesT Why less than45°？ Planned Expenditure Unwanted inventories 45° Y 电子科大经管学院马捷 元元元兄元The Keynesian Cross 电子科大经管学院 马捷 4 E Real Expenditure(Output) Planned Expenditure Y 45 º Why less than 45  ? Unwanted inventories  Unwanted inventories ↓