Monthly gross retail sales by hotels and motels in North Carolina are adjusted using the Consumer Price Index for urban areas. The monthly price-adjusted sales are then compared to the average level of sales for 1975. Seasonal adjustment is made using the X-11 seasonal adjustment program developed by the Department of Commerce. Correlation of the travel index with other seasonally adjusted measures of tourist activity is high.
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References
1.
Bond, M.E. and Bill McDonald (1978), "Tourism Barometers: The Arizona Case," Journal of Travel Research17 (Fall), 14-17.
2.
Bureau of the Census, U.S. Department of Commerce (1981), "Hotels, Motels and Other Lodging Places," Subject Series SC77-S-2, 1977 Census of Service Industries, Washington, D.C.: U.S. Government Printing Office.
3.
Rulison, M. (1974), 1973 North Carolina Travel Survey, Raleigh, N.C.: N.C. Division of Travel and Tourism .
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SAS Institute (1980), SAS/ETS User's Guide, Cary, NC: SAS Institute, Inc., pp. 6.1-6.23.
5.
The source and original documentation for the X-11 program are Shiskin, Julius, Allan H. Young, and John C. Musgrave (1976), The X-11 Variant of the Census Method II Seasonal Adjustment Program, Report BEA-R 76-01, Washington, DC: U.S. Department of Commerce, Bureau of Economic Analysis. Available from National Technical Information Service as PB-261 432.
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Traywick, Leland E. (1981), Williamsburg Business Index, Williamsburg, VA: Bureau of Business Research, College of William and Mary.
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U.S. Travel Data Center (1980), The Impact of Travel on State Economies, 1977-78, Washington, D.C.: U.S. Travel Data Center.
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U.S. Travel Data Center (1981), The Impact of Travel on State Economies, 1979, Washington, D.C.: U.S. Travel Data Center.
