Unit Roots in Real GNP: Do We Know, and Do We Care?
Published In: <em>Carnegie-Rochester Conference Series on Public Policy</em> (Vol. 32, Spring 1990, pp. 7-61) <a href='https://doi.org/10.1016/0167-2231(90)90021-C' target='_blank'>https://doi.org/10.1016/0167-2231(90)90021-C</a><br>




