teest 7 Flashcards
it is always optimal to chose an unbiased estimator over a biased estimator.
false
variance of ubiased may be much higher
ramsey reset test is a test for functional form
true
you can genralize the ramsey reset test by adding cubic and higher order powers
true
Serial correlation is a problem associated with time-series
data.
It occurs when the errors of the regression model are
correlated with their own past values.
t
serial correlation mean ols will be biased
false
The most common effect of serial correlation is to bias
downwards the standard errors of the OLS estimator
true
Autocorrelation is a particular type of serial correlation in which
the error terms are a function of their own past values.
true