Which of the following statements is true?
A. If a model has several explanatory variables and several variations to the general model are to be presented, it is better to report the results in an equation form, rather than a tabular form.
B. If a model has several explanatory variables and several variations to the general model are to be presented, it is better to report the results in a tabular form, rather than an equation form.
C. The adjusted R-squared should always be listed in the result section of a research paper, while the R-squared may or may not be listed.
D. The number of observations for each equation should always be listed in the result section of a research paper, while the R-squared may or may not be listed.
Answer: B
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Based on your understanding of your roommate's preferences, you predict that he will select the spaghetti for his lunch at the cafeteria, but instead he chooses the gyros. How do you describe this event in terms of economic theory?
A) Your roommate is irrational. B) Your roommate does not know what is in his own best interests. C) You roommate does not know his own preferences as well as you do. D) You constructed a model that made a prediction, and the prediction was refuted.
All other factors held constant, when McDonald's raises the price of its Quarter Pounder by 50 cents,
A) there is likely to be a decrease in the quantity of Taco Bell's Chalupas demanded, assuming the Quarter Pounder and Chalupas are substitutes. B) there is likely to be an increase in demand for Taco Bell's Chalupas, assuming the Quarter Pounder and Chalupas are substitutes. C) there is likely to be a decrease in demand for Taco Bell's Chalupas, assuming the Quarter Pounder and Chalupas are substitutes. D) there is likely to be an increase in demand for McDonald's Quarter Pounder, assuming the Quarter Pounder and Chalupas are substitutes.
Other things the same, if the price level rises, then domestic interest rates
a. rise, so domestic residents will want to hold more foreign bonds. b. rise, so domestic residents will want to hold fewer foreign bonds. c. fall, so domestic residents will want to hold more foreign bonds. d. fall, so domestic residents will want to hold fewer foreign bonds.
Market failure occurs when not every consumer who wants a good can obtain it.
Answer the following statement true (T) or false (F)