【正文】
ared by SAIC Critique Technical Discussion of T T Data ? 1993 Data ? Criticisms ? Revisions ? Recent Data System ? Cautions Comparing 1994 1999 ? No adequate Documentation or Definitions for 1994 Data ? Terms not Comparable ? Estimating Techniques Different ? World Travel Tourism Council ? First Estimate of T T Industry Economic Data1993 ? Forecasts for 1994 and 2023 ? Immediate Objectives ?Support “Free Trade in the Air” ?Emphasis on Air transport ?Show significance of the T T Industry T T DATA HISTORY Criticisms of T T Data ? Industry Generated Data ? Lacked Documentation Methodology ? Not Comparable with Existing Economic Databases ? Viewed by Others as Selfserving Remendations of Professionals ? Rigorous Methodology ? Definitions and Documentation ? Links to Existing Official Economic Data Bases ? Credible Data Collection Entities Resulting Data System ? Most other OECD Countries Now Provide Compatible Data ? UN Department of Economic Social Affairs ? Collects Data from Most Countries ? Uses Methodology Definitions Compatible with OECD Countries Data for the U. S. ? 1995 Whitehouse Conference BEA to Develop Data System ? Travel Tourism Satellite Account Completed 1998 ? Methodology and Definitions Rigorously Documented ? Integrated into the U. S. Input and Output Accounts