In testing whether each individual independent variables (Xs) in a multiple regression equation is statistically significant in explaining the dependent variable (Y), one uses the:
a. F-test
b. Durbin-Watson test
c. t-test
d. z-test
e. none of the above
c
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If an up-scale jewelry maker sells its products to retailers with the explicit condition that the retailers may not resell the products below a specified price, this is an example of ________.
A) monopolization B) market division C) price fixing D) resale price maintenance
The basic approach in marginal analysis is to compare a policy's total benefits with its total costs
a. True b. False Indicate whether the statement is true or false
How have insights from the field of psychology influenced the thinking of economists in recent years?
Suppose real GDP in a country called Gambria is increasing by 5% annually and the population of Gambria is increasing by 2% annually. Then, :
A. Gambria's population must be declining. B. Gambria will have to export more than it imports. C. the general level of prices in Gambria must be increasing. D. Gambria's per capita real GDP will be increasing.