Consumption and the real interest rate: According to the life-cycle / permanent-income hypothesis, consumption depends on the present discounted value of income. An increase in the real interest rate will make future income worth less, thereby reducing the present discounted value and reducing consumption. To incorporate this channel into the model, suppose the consumption equation is given by Assume the remainder of the model is unchanged from the original setup, as in Table 11.1. (a) Derive the IS curve for this new specification. (b) How and why does it differ from the original IS curve?
Consumption and the real interest rate: According to the life-cycle / permanent-income hypothesis, consumption depends on the present discounted value of income. An increase in the real interest rate will make future income worth less, thereby reducing the present discounted value and reducing consumption. To incorporate this channel into the model, suppose the consumption equation is given by Assume the remainder of the model is unchanged from the original setup, as in Table 11.1. (a) Derive the IS curve for this new specification. (b) How and why does it differ from the original IS curve?
Chapter1: Making Economics Decisions
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Consumption and the real interest rate: According to the life-cycle / permanent-income hypothesis, consumption depends on the present discounted value of income. An increase in the real interest rate will make future income worth less, thereby reducing the present discounted value and reducing consumption. To incorporate this channel into the model, suppose the consumption equation is given by
Assume the remainder of the model is unchanged from the original setup, as in Table 11.1.
(a) Derive the IS curve for this new specification.
(b) How and why does it differ from the original IS curve?
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