Ceteris paribus, if the price of jet fuel fell, what effect would it have on the market for air travel?
a. an increase in equilibrium price and an increase in equilibrium quantity.
b. an increase in equilibrium price and a decrease in equilibrium quantity.
c. a decrease in equilibrium price and an increase in equilibrium quantity.
d. a decrease in equilibrium price and a decrease in equilibrium quantity.
c
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According to the book, four disciplines are particularly applicable to management. Which of the following was not listed as a main influence?
a. Humanities b. Psychology c. Sociology d. Economics
Having more relevant instruments
A) is a problem because instead of being just identified, the regression now becomes overidentified. B) is like having a larger sample size in that the more information is available for use in the IV regressions. C) typically results in larger standard errors for the TSLS estimator. D) is not as important for inference as having the same number of endogenous variables as instruments.