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​​​​​​​​GTAP 全球貿易分析資料庫​ ​​​​gtap.jpg

The standard GTAP Model is a multiregion, multisector, computable general equilibrium model, with perfect competition and constant returns to scale. Innovative aspects of this model include:
  • The treatment of private household preferences using the non-homothetic CDE functional form.
  • The explicit treatment of international trade and transport margins. Bilateral trade is handled via the Armington assumption.
  • A global banking sector which intermediates between global savings and consumption.
The GTAP Model also gives users a wide range of closure options, including unemployment, tax revenue replacement and fixed trade balance closures, and a selection of partial equilibrium closures (which facilitate comparison of results to studies based on partial equilibrium assumptions). 
The GTAP Model was initially documented in the GTAP Book. Recent changes in the structure can be found below:
  • Global Trade Analysis: Modeling and Applications, by T.W. Hertel (ed.)
  • A Graphical Exposition of the GTAP Model by Brockmeier, Martina
  • A Note On Changes Since GTAP Book Model by Itakura, K. and T. Hertel, 2000
  • A New Regional Household Demand System for GTAP by McDougall, R., GTAP Working Paper No. 14, 2000
  • A General Welfare Decomposition for CGE Models by Hanslow, K., GTAP Technical Paper No. 19, 2000
  • Decomposing Welfare Changes in GTAP by Huff, K. and T. Hertel, GTAP Technical Paper No. 05, 2001
  • Two Small Extensions to SALTER by McDougall, R., SALTER Working Paper Number 12, 1993
  • A Note on the CES Functional Form and Its Use in the GTAP Model by Gohin, A. and T. Hertel
  • Notes on Final Demand in the Presence of Non-homothetic, Weak Separability by Hertel, T.
  • References for GTAP Data Base and Model
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