Which of the following is used to test whether a time series follows a unit root process?
A. Wald test
B. White test
C. Augmented Dickey-Fuller test
D. Johansen test
Answer: C
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A restriction on imports is likely to reduce further restrictions on trade
Indicate whether the statement is true or false
Which of the following will lead to an efficient private solution if negative externalities are present in a market?
A) The party having the legal right is taxed. B) The party creating the externality has the legal property right. C) The party suffering from the externality has the legal property right. D) The parties involved negotiate with each other and reach an agreement.
Which of the following mathematical expressions represents the equation of a straight line with a slope of zero at all points on a graph with Y on the vertical axis and X on the horizontal axis?
a. Y = a + X b. X = bY c. X = a d. Y = a
The national debt
a. is increased by budget surpluses. b. is the value of the government's indebtedness at a moment in time. c. exceeded $20 trillion in 2014. d. All of the above are correct.