Economy, tasks

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Uploaded: 29.09.2013
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Problem 1. The economy Alpha investment function is given by I = 40 + 0,4Y, and the function of savings - the equation S = -20 + 0,6Y, where Y - the national income. Determine the equilibrium level Y.

Problem 2. The function of consumption is as follows: C = 100 + 0,8Y:
A) Calculate the consumer spending (consumption) and saving for given values \u200b\u200bof income:
Income Consumption Savings
600
800
1000
1200
1400
B) plot the consumption;
C) Calculate the marginal propensity to consume and the marginal propensity to save;
D) calculate the multiplier costs.

Task 3. The function of consumption is given by the formula: C = 80 + 0,5Y.
A) Fill in the table:
Income Consumption Savings
0
100
200
300
400
500
B) plot the consumption;
B) draw a line 45o. Calculate: at what levels of disposable income on consumption expenditure are smaller and more of its volume.

Objective 4. The function of consumption is given by the formula: C = 100 + 0,2Y.
A) Plot of consumption;
B) plot the savings;
B) determine the equilibrium volume Y;
D) determine the value of the multiplier costs.

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