n important source of income (Goodrich, 1991, pp. 37 41). Travelers from the United States comprise the largest national segment of the worldwide tourism industry. Thus, when in the wake of terrorist activities, war, and other events directed at or affecting Americans, tourism by Americans declined substantially, and adverse economic effects are felt around the world.
Prior to 1973, tourism was a major growth industry on a worldwide basis. The energy crises of 1973 1974 and 1979 1980 increased the costs of travel significantly, because of jet fuel price increases. Tourism growth suffered as a result during and shortly after each of the energy crises. Just as worldwide tourism was poised for another growth period in the early 1980s, the most severe economic recession in more than 40 years hit the United States, and most other industrialized countries experienced economic recession soon afterwards. Thus, the anticipated international travel boom never materialized.
In late 1983, however, the United States economy entered a reco
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