serial correlation उदाहरण वाक्य

where \ epsilon _ { t } is a monetary shock with mean zero mean and no serial correlation ( so called white noise ).
"Then people are just pushing prices, and you're going to see a lot of negative serial correlation " _ what went up Monday comes down Tuesday.
Some remarkable works at the Department were, for example, Durbin and Watson on testing serial correlation in econometrics, and Alan Prest and Derek Rowe on demand analysis.
In economics, cross-sectional analysis has the advantage of avoiding various complicating aspects of the use of data drawn from various points in time, such as serial correlation of residuals.
As a consequence, if positive serial correlation is present in the regression, standard linear regression analysis will typically lead us to compute artificially small standard errors for the regression coefficient.

Under the assumption of spherical errors, i . e . homoscedasticity and no serial correlation in u _ { it }, the FE estimator is more efficient than the FD estimator.
Gouri�roux has published in journals worldwide, and was a recipient of the Koopmans Prize ( with two fellow partners ) for their project, " General Approach to Serial Correlation " in 1985 1987.
If the design matrix \ mathbf { X } of the regression is known, exact critical values for the distribution of d under the null hypothesis of no serial correlation can be calculated.
First, the F-statistic to test for overall significance of the regression may be inflated under positive serial correlation because the mean squared error ( MSE ) will tend to underestimate the population error variance.
Negative serial correlation implies that a positive error for one observation increases the chance of a negative error for another observation and a negative error for one observation increases the chances of a positive error for another.