Covariance stationary sequences where Corr(xt + xt+h)
0 as ![]()
data-mathml="%3Cmath%20style%3D%22font%2Dfamily%3A%27Times%20New%20Roman%27%22%20xmlns%3D%22http%3A%2F%2Fwww%2Ew3%2Eorg%2F1998%2FMath%2FMathML%22%3E%3Cmstyle%20mathsize%3D%2215px%22%3E%3Cmrow%3E%3Cmi%3Eh%3C%2Fmi%3E%3Cmo%3E%26%238594%3B%3C%2Fmo%3E%3Cmo%3E%26%238734%3B%3C%2Fmo%3E%3C%2Fmrow%3E%3C%2Fmstyle%3E%3C%2Fmath%3E" src="@@PLUGINFILE@@/ppg__cognero__Ch_11_Further_Issues_in_Using_OLS_with_Time_Sries_Data__media__f92c2f56-9b92-4fa5-b54a-6b05ae3d2b74.PNG" style="vertical-align:middle;" />are said to be:
A. ?unit root processes.
B. trend-stationary processes.
C. ?serially uncorrelated.
D. asymptotically uncorrelated.
Answer: D
You might also like to view...
The market labor supply curve is the
a. vertical sum of the individual labor supply curves b. horizontal sum of the individual labor supply curves c. vertical difference of the individual labor supply curves d. horizontal difference of the individual labor supply curves e. average of the individual labor supply curves
Members of the armed forces are: a. considered employed
b. considered unemployed. c. not considered a part of the labor force. d. not considered a part of the adult population.
At the beginning of the fall semester, college towns experience large increases in their populations, causing a(n):
A. decrease in the quantity of apartments supplied. B. increase in the demand for apartments. C. increase in the supply of apartments. D. decrease in the quantity of apartments demanded.
A consulting company estimated market demand and supply in a perfectly competitive industry and obtained the following results:Qd = 25,000 ? 5,000P + 25MQs = 240,000 + 5,000P ? 2,000PIwhere P is price, M is income, and PI is the price of a key input. The forecasts for the next year are 
= $15,000 and 
I = $20. Average variable cost is estimated to beAVC = 14 ? 0.008Q + 0.000002Q2Total fixed cost will be $6,000 next year. Suppose income next year is forecasted to be $10,000 instead. What is the profit-maximizing output choice for the firm?
A. zero B. 5,548 C. 3,480 D. 2,167 E. 8,000