In the basic keynesian model, a decline in autonomous spending:

In the basic keynesian model, a decline in autonomous spending reduces short-run equilibrium output.The increase in national income is equal to the primary investment (autonomous) plus a chain of secondary consumption spending. According to Keynes, the root cause of unemployment and depression is inadequate investment, and a consequent low level of aggregate demand.

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Well caramel tastes great with apples.  peanut butter tastes great with apples.  but if i had to choose one, i would say caramel is an important ingredient.  hope this ! -twix