Modeling with Impact

Trade Policy Modeling with GAMS

Monday A refresher in GAMS.
How to use GAMS-IDE.
What are the advanced features of GAMS?
Which GAMS solvers to use in modeling.
What is the best strategy in large-scale complex model development?
How to build a static general equilibrium model with perfect competition.
Introduction to the model EcoMod1T (preparation for imperfect competition).
Tuesday

What will you learn and implement?
How to introduce imperfect competition.
1. Introduction: Imperfect competition - why bother?

2. Alternative models of imperfectly competitive firm conduct
2.1. Models with intra-industry product homogeneity
2.1.1. Cournot oligopoly
2.1.2. Conjectural variations
2.2. Models with intra-industry product differentiation
2.2.1. Love of variety: The algebra of Dixit-Stiglitz preferences
2.2.2. Monopolistic competition
2.2.3. Bertrand oligopoly
2.2.4. Cournot oligopoly.

3. Practical Computer Lab exercises
3.1. Introducing imperfect competition and increasing returns
3.1.1. Modifications of the GAMS code
3.1.2. Calibration of the additional model parameters
3.1.3. Reporting industrial organization effects
3.1.4. Simulations of a tax policy shock under alternative assumptions about firm conduct
Wednesday

What will you learn and implement?
How to build a single country closed economy model.
How to model imports and exports.
How to calibrate the model.
How to close it.
How to implement it in GAMS.
How to debug and validate the model.
How to run simulations.
How to report results.

How to build a multi-country CGE model.
How to calibrate the model.
How to close it.
How to implement it in GAMS.
How to debug and validate the model.
How to run simulations.
How to report results.
Thursday

What will you learn and implement?
How to build a multi-country CGE model (continued).
How to introduce quotas
How to build a single country open economy model.
How to model imports and exports.
How to calibrate the model.
How to close it.
How to implement it in GAMS.
How to debug and validate the model.
Friday

What will you learn and implement?
How to build a multi-country CGE model with imperfect competition.
How to calibrate the model.
How to close it.
How to implement it in GAMS.
How to debug and validate the model.
How to run simulations.
How to report results.
Dynamic trade policy modeling.
How to calibrate the model.
How to close it.
How to implement it in GAMS.
How to debug and validate the model.
How to run simulations.
How to report results.

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