Which of the following statements is true of hypothesis testing?

A. The t test can be used to test multiple linear restrictions.
B. A test of single restriction is also referred to as a joint hypotheses test.
C. A restricted model will always have fewer parameters than its unrestricted model.
D. OLS estimates maximize the sum of squared residuals.

Answer: C

Economics

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An agreement among countries to adopt a common currency is called a

A) central bank consolidation. B) currency union. C) monetary compact. D) common banking treaty.

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Monetarists have received this label because they emphasize the role of

a. money supply in determining aggregate supply. b. the money supply in determining nominal GDP. c. the Fed in making monetary policy. d. the money supply in determining interest rates and investment.

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