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11 th Global Conference on Environmental Taxation Issues 3 – 5 November 2010 Bangkok, Thailand

11 th Global Conference on Environmental Taxation Issues 3 – 5 November 2010 Bangkok, Thailand. Paper #24 Assessment of Fiscal Intervention Measures: Perspectives from Environmental Macroeconomics. Authors Seck TAN Dodo J. Thampapillai. Presentation Outline. Objective

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11 th Global Conference on Environmental Taxation Issues 3 – 5 November 2010 Bangkok, Thailand

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  1. 11th Global Conference on Environmental Taxation Issues3 – 5 November 2010Bangkok, Thailand Paper #24 Assessment of Fiscal Intervention Measures: Perspectives from Environmental Macroeconomics Authors Seck TAN Dodo J. Thampapillai

  2. Presentation Outline • Objective • Conceptual Framework • Analysis • Overview of Findings • Empirical Analysis • Case for Environmental Capital Investment • Conclusion

  3. Objective • Demonstrate the distinction in policy intervention when environmental macroeconomic framework is applied as opposed to the standard macroeconomic framework Illustration made in terms of: • Policy intervention via environmental taxes, and reinvestment in environmental capital • China is used as a case study

  4. Conceptual Framework • Policy intervention is usually made based on standard macroeconomic frameworks. There is no consideration given to environmental capital (KN) and its depreciation (DKN) • When the environmental macroeconomic framework is used, KN is acknowledged and DKN is internalized • The income determined from the environmental macroeconomic framework is more sustainable than that determined from the standard framework

  5. Conceptual Framework There are two different frameworks which comparison is based on. Environmental Macroeconomic Framework At equilibrium, GDP – DKN  Y Equilibrium income, Y** is defined as a function of marginal propensity to consume (b), taxes (t), propensity to invest (d), and proportion of environmental degradation (g) Y** = f(b,t, d, g) Standard Macroeconomic Framework • At equilibrium, GDP  Y • Equilibrium income, Y* is defined as a function of marginal propensity to consume (b), taxes (t), and propensity to invest (d) Y* = f(b, t, d) aggregate expenditure depreciation of environmental capital national income aggregate expenditure national income

  6. Conceptual Framework • We also estimate the EXTRA TAX that has to be levied in the standard framework to obtain the same income outcome as in the sustainable framework • The tax illustrates the extent of divergence between the sustainable and the unsustainable time paths • If the extra tax revenue is returned as investment to the environment, DKN in future time periods could reduce permitting the economy to expand and achieve some sustainability

  7. Analysis • In this simple Keynesian analysis, KN refers to the depreciation of the air-shed in terms of air pollution and the depreciation of agricultural soils in terms of fertilizer usage DKN is the sum of the costs of abating air pollution and applying fertilizers The extra tax in the standard framework that makes the result resemble those of the environmental macroeconomic framework range from 43% - 56% The level of tax in this analysis is 10% and it will be levied for three years. The extra taxes considered will be for the first four years (T+1)

  8. Overview of Findings

  9. Empirical Analysis Standard and Sustainable Framework (no extra taxes)

  10. Empirical Analysis Standard and Sustainable Framework (extra taxes in the sustainable framework) BUT accounting practice does not include KN investments from extra taxes

  11. Empirical Analysis Standard and Sustainable Framework NO extra taxes Standard and Sustainable Framework WITH extra taxes

  12. Empirical Analysis • The graph on the left shows the variation between the standard and the sustainable income with consideration to extra taxes • The variation is exponential when there are no extra taxes • On the other hand, the variation is relatively less pronounced with extra taxes

  13. Empirical Analysis Standard and Sustainable Framework with Taxes Re-Invested • Accounting includes KN investment from extra taxes • When taxes collected are re-invested, the sustainable income will surpass the standard income in three years • The variation between the two increases steadily beyond the third year • If there were no re-investment, the sustainable income will stay below the standard income

  14. Case for KN Investment • There are four areas of closed loop production options available for China – amongst several others 1. Sewerage Treatment 2. Air-Conditioning and Heating 3. Energy Supply 4. Methods of Commodity Development

  15. Conclusion • Policies within a government’s portfolio must provide allowance for the restoration of environmental capital • The policies should cater towards a wide range of options for maintaining and/or restoring environmental capital • Levying additional environmental taxes over a limited period of time allows for the financing of these policies

  16. The End Questions & Answers

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