References
- Bohara , A. K. and Kaempfer , W. H. 1994 . Tariff behaviour in five European countries: further evidence . Economics Letters , 45 : 213 – 216 .
- Gardner , G. W. and Kimbrough , K. P. 1989 . The behaviour of U.S. tariff rates . American Economic Review , 79 : 211 – 218 .
- Gardner , G. W , Slottje , D. J. and Kimbrough , K. P. 1992 . Tariff behaviour in five European countries . Economics Letters , 39 : 73 – 78 .
- Guilkey , D. K. and Schmidt , P. 1989 . Extended tabulations for Dickey–Fuller tests . Economics Letters , 31 : 355 – 357 .
- Heaton , H. 1948 . Economic History of Europe , New York : Harper & Row .
- Mitchell , B. R. 1992 . International Statistics, Europe 1750–1988 , New York : Stockton Press .
- Taussig , F. W. 1931 . The Tariff History of the United States , New York : G.P. Putnam's & Sons .
- U.S. Department of Commerce . 1985 . Statistical Abstract of the United States , Washington, DC : USGPO .
- Zivot , E. and Andrews , D. W. K. 1992 . Further evidence on the Great Crash, the Oil Price Shock, and the unit-root hypothesis . Journal of Business and Economic Statistics , 10 : 251 – 270 .