Fluctuations in Overseas Travel by Americans, 1820 to 2000
---- Acknowledgements -----
We wish to thank the Center for Economic Studies at the University of Munich for providing Weiss with uninterrupted time in which to work on this research. A version of this paper was presented at the Allied Social Science Association Meetings in January 2009. We also thank, Stan Engerman, Bertram Gordon, Drew Keeling, Michael McAleer, Ed Perkins, Joshua Rosenbloom and Vic Valcarcel for helpful comments. The views expressed herein are those of the author(s) and do not necessarily reflect the views of the National Bureau of Economic Research.