On the existence and interpretation of a "unit root" in U.S. GNP /
J. Bradford DeLong, Lawrence H. Summers.
APA Citation
De Long, J. Bradford., Summers, L. H., National Bureau of Economic Research. (1988). On the existence and interpretation of a "unit root" in U.S. GNP. Cambridge, MA: National Bureau of Economic Research.
MLA Citation
De Long, J. Bradford, Lawrence H Summers, and National Bureau of Economic Research. On the Existence And Interpretation of a "unit Root" In U.S. GNP. Cambridge, MA: National Bureau of Economic Research, 1988.
Warning: These citations may not always be complete (especially for serials).