1. See Waters, R.C.(1977), Port economic impact studies: practice and assesment Transportation Journal, 16,14–18 Chang, S. (1978), In defense of port impact studies. Transportation Journal, 17,79–85, and Davis, H.C. (1983), Regional port impact studies. a critique and suggested methodology. Transportation Journal, 23,61–71.
2. See Silberman,J., and Yochum.G. (1980),The Economic Impact of Virginia' Ports on the common Wealth (Bureau of Business and Economic Research, Old Domminion University, Norfolk, Virginia); and Yochum, G., Agarwal, V.B. (1986), The Economic Impact of Virginia' Ports on the Commonwealth:1984 (Maritime Trade and Transport, Old Dominion University,Norfilk, Virginia),
3. See Us, Maritime Administration (1979), Port Economic Impact Kit (Office of Port and Intermodal Development, Washington,D.C.).,and Us Maritime Administration(1985), Port Economic Impact kit(draft prepared by Recht, Hausrath and Associates, Oakland, California), May.
4. Us Maritime Administration (1985),p.4;and Davis, H.C.(1983), op.cit., 64.
5. Davis, H.C.(1983), op, cit., p.62.