When the R2 of a regression equation is very high, it indicates that
A) all the coefficients are statistically significant.
B) the intercept term has no economic meaning.
C) a high proportion of the variation in the dependent variable can be accounted for by the variation in the independent variables.
D) there is a good chance of serial correlation and so the equation must be discarded.
C
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If real GDP in the United States is growing at an annual rate of 3.2% per capita and Bolivia's real GDP per capita
is growing at a rate of 1.3%, which of the following would we expect in the long run? Assume real GDP per capita in the United States begins at a level above that of real GDP per capita in Bolivia. A) Real GDP per capita in the United States will always be 1.9% higher than real GDP per capita in Bolivia. B) The difference between the level of real GDP per capita in the United States and real GDP per capita in Bolivia will increase over time. C) The difference between the level of real GDP per capita in the United States and real GDP per capita in Bolivia will always be $1.9 trillion. D) The difference between the level of real GDP per capita in the United States and real GDP per capita in Bolivia will shrink over time.
The above figure shows the payoffs to two firms deciding to open a gasoline station in an isolated town. If firm A decides first, what will happen? If there is a $60 fee to enter this market, what will happen?
What will be an ideal response?
According to Peter principle, employees
A. do not always value promotions. B. should be promoted till they reach the top management level. C. keep getting promoted until they reach the level that they cannot handle. D. resort to influencing activities to ensure their promotions.
Suppose the accompanying figure shows the demand curve, marginal revenue curve and marginal cost curve for a monopolist.
The socially optimal level of output is ________ units per day.
A. I B. F C. G D. H