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Ocean Fish Populations Contribution to the World Economy

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A presentation to the Western Economic Association International conference in July 2010.

A presentation to the Western Economic Association International conference in July 2010.

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Transcript

  • 1. Ocean Fish Populations Contribution to the World Economy Andrew J. Dyck & Rashid Sumaila May 2009
  • 2. Background
    • Fisheries worldwide are an important primary industry.
      • ‘ landed-value’ of world fisheries estimated at $US 85 billion/yr (Sumaila, 2007).
    • Strong links with other sectors.
      • Boat building, management services, manufacturing.
    May 2009
  • 3. Objective
    • Determine the full economic impact of fisheries
      • Account for links between fisheries and the rest of the economy by considering indirect and induced effects
    May 2009
  • 4. Methods
    • Input-Output Approach
      • Country-by-country input-output tables
    • Sum direct, indirect and induced impacts of the fisheries sector for each coastal nation.
    May 2009
  • 5. Methods
    • Data is sourced from the Global Trade Analysis Project (GTAP) version 7.
      • Trade flows database with 57 sectors and 113 regions
      • Input-output tables mapped to 223 geo-political entities
    May 2009
  • 6. May 2009
  • 7. Methods: Economic Multipliers
    • Economic multipliers calculated
      • Economic output multiplier ( )
      • Income multiplier ( )
        • Type I multiplier: Includes direct and indirect effects
        • Type II multiplier: Includes Type I and induced effects
    May 2009
  • 8. Preliminary Multiplier Results May 2009
  • 9. Total Economic Impact
    • Treat ‘landed-value’ as the sum of final demands for fisheries output.
    • Apply the multipliers to ‘landed-value’ and sum across regions.
          • Output:
          • Income:
    May 2009
  • 10. Preliminary Output Effects May 2009
  • 11. Preliminary Income Effects May 2009
  • 12. Conclusion
    • ‘ Landed-value’ for the year 2000 estimated at $US 85 Billion
    • Considering indirect and induced effects total contribution of the fisheries sector to the world economy is likely to be more than four times landed-value.
    May 2009
  • 13.
    • Thank You!
    • [email_address]
    May 2009