Feasible GLs(continued) Often both Cochrane-Orcutt and Prais- Winsten are implemented iterative This basic method can be extended to allow for higher order serial correlation, AR(q e Most statistical packages will automatically allow for estimation of ar models without having to do the quasi-differencing by hand Economics 20- Prof anderson 9Economics 20 - Prof. Anderson 9 Feasible GLS (continued) Often both Cochrane-Orcutt and Prais￾Winsten are implemented iteratively This basic method can be extended to allow for higher order serial correlation, AR(q) Most statistical packages will automatically allow for estimation of AR models without having to do the quasi-differencing by hand