In a regression equation, one may measure the accuracy of the estimation by:
a. calculating the standard deviation of the errors of prediction
b. calculating the standard error of the estimate
c. estimating the standard deviation of the errors of prediction
d. all of the above
e. a and b only
e
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The real interest rate is equal to the
A) nominal interest rate plus the inflation rate. B) nominal interest rate minus the inflation rate. C) nominal interest rate times the inflation rate. D) nominal interest rate divided by the inflation rate. E) inflation rate minus the nominal interest rate.
A horizontally integrated firm produces products in a variety of industries (e.g., General Electric, which produces jet engines, air conditioners and microwave ovens)
a. True b. False
Three major means of collusion by oligopolists are:
A. cartels, informal understandings, and price leadership. B. market sharing, mutual interdependence, and product differentiation. C. cartels, kinked-demand pricing, and product differentiation. D. informal understandings, P = MC pricing, and mutual interdependence.
In the United States in 2016, the percentage of firms that employed between 3 and 199 workers and offered health insurance as a fringe benefit to the workers was about
A) 29%. B) 42%. C) 55%. D) 98%.