sustainable development and economic performance kimberly burnett march 21, 2007
TRANSCRIPT
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Sustainable Development and Economic Performance
Kimberly BurnettMarch 21, 2007
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State Income Accounting Measures Economic Activity Narrowly Defined
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But this Measure misses many Aspects of Human Welfare
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Biodiverse and Healthy Watersheds?
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Oahu Pigs
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Maui Goats
Photo credit: JB Friday
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Or Degraded Watersheds?Nu`uanu 1920
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Depreciation of Infrastructure + Watershed Degradation = Sewage Spills
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Sediment plumes
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Fish kills
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The Economy
Firms
(production)
Households
(consumption)
Inputs OutputsTHE ECONOMY
Amenity valuesResource inputs
Wastes
Global life-support
Impacts on biodiversity
NATURE
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Environomy
Firms
(production)
Households
(consumption)
Inputs OutputsTHE ECONOMY
Amenity valuesResource inputs
Wastes
Global life-support
Impacts on biodiversity
NATURE
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The Components of GSP
Gross State Product (GSP) is the sum of the following:• Consumption (C)
• Investment (I)
• Government Expenditures (G)
• Net Exports (NE)
GSP = C + I + G + NE
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GSP and its Components
40%
17%
40%
3% Consumption
Investment
Governmentexpenditures
Net exports
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GSP to NSP to GNSP
Another measure is Net State Product, which deducts
capital depreciation from GSP NSP = C + I + G + NE – CD Green NSP measures environomy. From NSP, subtract
• Depreciation of natural capital (biodiversity, aquifers, reefs)
• Defensive expenditures (scrubbers on smokestacks to reduce pollution)» Falsely included in NSP in the first place
» Subtract again to better reflect net increase in welfare
• Residual damages from pollution, congestion, and ecological damages (flooding, sewage spills, leptospirosis)
GNSP = C + I + G + NE – CD – (NCD + 2DE + RPD)
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Case study – Ko`olau forested watershed
Amenity NPV, in millions MethodGroundwater quantity $4570 Lost recharge
Water quality $83.7 – $394 Averted dredging costs
In-stream uses $82.4 Survey on single fish species
Species habitat $487 Survey on single bird species
Biodiversity $0.6 – $5.5 Average cost listing 11 Ko`olau plant species
Subsistence $34.7 Replacement value, pigs
Hunting $62.8 Hunting expenditures
Aesthetic values $1040 Survey
Commercial harvests $0.6 Koa harvest
Ecotourism $1000 Ecotourism expenditures
Climate control $82.2 Replacement cost, carbon sequestration
TOTAL $7.4 – $7.8 billion
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Sustainable/Green Income Accounting
Would include depreciation of natural capital, pollution damages
Better indicator of levels-of-living, forward-looking welfare
GNSP reflects the performance of the environomy