Net exports are a ____ proportion of GDP and have recently been ____ for the United States
a. small; positive.
b. small; negative.
c. large; positive
d. large; negative.
b
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During recent Global Economic Crises, U.S. household liabilities have
A) increased B) decreased C) remained the same D) quadrupled
Consider the case of time fixed effects only, i.e., Yit = ?0 + ?1Xit + ?3St + uit,
First replace ?0 + ?3St with ?t. Next show the relationship between the ?t and ?t in the following equation Yit = ?0 + ?1Xit + ?2B2t + ... + ?TBTt + uit, where each of the binary variables B2, …, BT indicates a different time period. Explain in words why the two equations are the same. Finally show why there is perfect multicollinearity if you add another binary variable B1. What is the intuition behind the fact that the OLS estimator does not exist in this case? Would that also be the case if you dropped the intercept? What will be an ideal response?
The marginal revenue curve coincides with the demand curve of a firm that engages in perfect price discrimination
a. True b. False
What effect does the following transaction have on the U.S. balance of payments?(Choose the proper debit and credit entries.)U.S. residents invest in Swiss bank accounts by converting their U.S. dollar savings deposits into Swiss francs and then investing them
a. Debit the U.S. financial account; credit the U.S. current account. b. Credit the U.S. financial account; debit the U.S. current account. c. Debit the U.S. financial account; credit the U.S. financial account. d. Credit the U.S. financial account; debit errors and omissions.