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Consumption schedule
Saving schedule - There is a direct relationship between saving and DI but that saving is a smaller proportion of a small DI than of a large DI. If households consume a smaller and smaller proportion of DI as DI increases, then they must be saving a larger and larger proportion.
Average + marginal propensities
Non-income determinants of consumption + saving
Other important considerations
Interest-rate-investment relationship
Shifts of investment demand curve
Instability of investment
Multiplier effect
Multiplier + marginal propensities
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