Basic Macroeconomic relationships – Flashcards
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As disposable income increases, consumption
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and savings both increase
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The relationship between consumption and disposable income is such that
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a direct and relatively stable relationship exist between consumption and income
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If the MPC is .8 and disposable income is 200$ then
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consumption and savings can not be determined from this information
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The MPC for an economy is
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the slope of the consumption schedule or line
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in contrast to investment, consumption is
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relatively stable
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which of the following will cause a movement down along an economies consumption schedule.
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a decrease in disposable income
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at the point where the consumption schedule intersects the 45 degree line
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The APC is 1.00
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Teesas break even income is 10,000 and her MPC is .75. If her actual income is 16,000 her level of
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consumption spending will be 14500
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If trents MPC is .80 this means that he will
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spend eight tenths of any increase in his disposable income
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Suppose a familys consumption exeeds its disposable income. This means that
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APC is greater than 1
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one can determine the amount of any level of total income that is consumed by
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multiplying total income by the APC
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Which of the following is correct
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MPC+MPS=APC+APS
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Dissaving means
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The households are spending more than their current incomes
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Dissaving occurs when
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consumption exeeds income
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Which of the following relations is not correct
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MPS=MPC+1
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The savings schedule is drawn on the assumption that as income increases
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Savings will increase absolutely and as a percentage of income
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At the point where the consumption schedule intersects the 45 degree line
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Savings is 0
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the saving schedule is such that as aggregate income increases by a certain amount, saving
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increases, but by a smaller amount
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If the consumption schedule is linear, then the
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Savings schedule will also be linear
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GIven the consumption schedule, it is possible to graph the relevant savings schedule by
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Plotting the vertical differences between the consumption schedule and the 45 degree line
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the marginal propensity to consume is .9 then the marginal propensity to save must be
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.1
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The greater the marginal propensity is
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the smaller is the marginal propensity to save
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if the savings schedule is a straight line
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MPS must be constant
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which of the following will cause a movement up along an economies saving schedule
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an increase in disposable income
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in the late 1990's the U.s stock marked boomed causing U.S consumption to rise. Economist refer to this outcome as
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Wealth effect
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The wealth effect is shown graphically as a
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shift of the consumption schedule
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An upward shift of the savings schedule suggest
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That the APC has decreased and the APS has increased at each GDP leve
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Which of the following will not shift the consumption schedule upward
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the expectation of a future decline in the consumer index
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If the consumption schedule shift upwards and the shift was not caused by a tax xhange, the savings schedule
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will shift downward
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Which of the following will not cause the consumption schedule to shift
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a change in consumers income
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When consumption and savings are graphed relative to REAL GDP, an increase in personal taxes will shift
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Both the consumption schedule and the savings schedule downwards
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If for some reasons households become increasingly thrifty, we could show this by
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an upward shift in the savings schedule
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Assume the economies consumption and savings schedule simultaneously shift downward. This must be a result of
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an increase in personal taxes
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The investment demand slopes downwrd and to the right because lower real interest rates
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enable more investment project to be undertaken profitably
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The invest ment demand curve portrays an inverse (negative ) relationship between
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The real interest rate and investment
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Other things equal, a decrease in the real interest rate will
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move the economy downward along its existing investment demand curve
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the relationship between the real interest rate and investment is shown by the
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investment demand schedule
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Given the expected rate of return on all possible investment opportunities in the economy
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An increase in the real rate of interest will reduce level of investment
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A decline in real interest rates will
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increase the amount of investment spending
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The immediate determinants of invesment spending are the
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expected rate of return on capital goods and the real interest rate
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The investment demand curve suggest that
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There is an inverse relationship between the real rate of interest and the level of investment spending
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If business taxes are reduced and the real interest rate increases
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the level of investment spending might either increase or decrease
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Other thing equal, a 10 percent decrease in cooperate income taxes will
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shift the investment demand curve to the right
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The investment curve will shift to the right as a result of
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Business becoming more optimistic about future business conditions
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Other thing equal, f the real interest rate falls and business taxes rise
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we will be uncertain as to the resulting change in investment
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the investment demand curve will shift to the right as a result of
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Technological programs
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The investment demand curve will shift to the left as a result of
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an increase in the exess production capacity available in industry
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If the real interst rate in the economy is (i) and expected rate of return from additional investment is (r), then more investment will be forthcoming when
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r is greater than i
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a rightward shift of the investment demand curve might be caused by
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Business planning to increase their stock of inventories
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The real interest rate is
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The percentage increase in purchasing power that the lender receives on a loan
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When we draw an investment demand curve, we hold consistant all of the following except
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the interest rate
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If nominal interest rate is 18 percent and the real interest rate is 6 percent the inflation rate is
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12 percent
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If the inflation rate is 10 percent and the real interest rate is 12 percen, the nominal interest rate is
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22 percetn
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A high rate of inflation is likely to cause a
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high nominal interest rate
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If the real interest rate in the economy is (i) and the expected rate of return on additional investment is r, then other things equal
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r will fall as more investment is undertaken
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In annual percentage terms, investment spending in the united states is
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more variable than REAL GDP
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Investment spending in the United States tends to be unstable because
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all of these contribute to instability
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Investment spending in the United States tends to be unstable because
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profits are highly variablw
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the mulitplier effect means that
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an increase in investment can cause GDP to change by a larger amount
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The multiplier is
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1/MPS
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The Multiplier is useful in determining
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change in real GDP resulting from a change in spending
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The Multiplier is defined as
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change in GDP/Initial change in spending
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If 100 percent of any change in income is spent, the multiplier will be
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infinitely large
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the multiplier can be calculated by
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1(1-MPC)
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the size of the multiplier is equal to the
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Reciprocal of the slope of the saving schedule
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If the MPS is only half as large as the MPC, the multiplier is
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3
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If the MPC is .70 and investment increases by 3 billion the equilibrium will
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increase by 10 billion
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The numerical value of the multiplier will be smaller the
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larger the slope of the saving schedule
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the practical significance of the multiplier is that
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magnifies initial change in spending into larger changes in GDP
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If the MPC is .6 the multiplier will be
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2.5
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Assume the MPC is 2/3. If investment spending increase by 2 billion the level of GDP will increase by
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6 billion