A large "T-statistic" tell us that
A) a tiny change in the independent variable will cause a relatively large change in the dependent variable.
B) we do not have enough data to obtain an accurate regression line.
C) we can be confident that our estimated coefficient is not zero.
D) we should have included more "lags" in our model.
E) we have incorrectly switched the dependent and independent variables in our model.
C
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Changes in autonomous consumption could be the result of:
A. changes in inflation. B. changes in disposable income. C. changes in housing prices. D. changes in the mpc.
To obtain the slope estimator using the least squares principle, you divide the
A) sample variance of X by the sample variance of Y. B) sample covariance of X and Y by the sample variance of Y. C) sample covariance of X and Y by the sample variance of X. D) sample variance of X by the sample covariance of X and Y.
In the short run, when a firm stops producing it:
A. avoids paying fixed costs. B. avoids paying variable costs. C. can avoid earning profits less than zero. D. must be that ATC is lower than market price.
In which industry(ies) are firms price takers?
a. oligopolies b. monopolies c. perfect competition d. oligopolies and monopolies e. monopolistic competition