Re: Econometrix
Posted by famous_blue_raincoat on Feb 28, 2018; 9:47am
URL: http://discussion-forum.276.s1.nabble.com/Econometrix-tp7608797p7608802.html
(C) should be correct.
Since r is positive, cov(X,Y) and cov(Y,X) would be positive, implying that beta(xy) and beta(yx) are positive as well.