The standard deviation of the error terms in an estimated regression equation is known as:
a. coefficient of determination
b. correlation coefficient
c. Durbin-Watson statistic
d. standard error of the estimate
e. none of the above
d
Economics
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A perfectly competitive firm cannot earn an economic profit in the long run because
A) it is a "price-maker." B) it faces a perfectly inelastic demand curve. C) there are no barriers to entry into the industry. D) all firms in the industry earn accounting profits.
Economics
In 2012, foreign ownership of the total public debt of the U.S. was about:
A. 20% B. 33% C. 60% D. 75%
Economics