Following Keynesian economics, and assuming a marginal propensity to consume (MPC) of 0.75, an increase in taxes of $100 billion would be expected to shift the aggregate demand curve by $300 billion to the left
a. True
b. False
Indicate whether the statement is true or false
True
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The following table displays the marks obtained by three students on an economics test
Student Marks Obtained (out of 100) Mary 78 Charles 83 Tony 65 a) Calculate the mean marks obtained by the three students. b) Suppose one of the scores was reported incorrectly. Charles scored 38 instead of 83. How will the mean change if the correction is incorporated? c) How does the amount of data used affect the accuracy of a model?
If the multiplier is 3, equilibrium real GDP is $1,000 billion, and investment is $400 billion, what will happen if investment decreases to $380 billion? Real GDP will:
a. increase to $1,020 billion. b. increase to $1,060 billion. c. decrease to $980 billion. d. decrease to $940 billion. e. decrease to $970 billion.
The IMF offers loans to developing countries in times of balance of payment constraints, but the IMF also faces strong criticisms because:
A. contractionary fiscal policy and expansionary monetary policy tend to be ineffective against balance of payment constraints. B. contractionary fiscal and monetary policies are always undesirable for any developing country. C. it employs economists that know little about developing countries and their economic affairs. D. the conditions tend to be procyclical, therefore worsening the recessions.
The textbook says that which of the following is among the key forces shaping today's economy?
A. Accounting scandals B. Socialism C. Social networking D. The evolution of financial markets