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Dynamic Macroeconomic Modeling with Matlab

Dynamic Macroeconomic Modeling with Matlab

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Contents<br />

Contents<br />

1 Introduction 1<br />

2 An Outline of the Theory 2<br />

2.1 Numerical solution of initial value problems . . . . . . . . . . . . . . . . . . . . 2<br />

2.2 Forward shooting and backward integration . . . . . . . . . . . . . . . . . . . . 4<br />

2.3 The Generalized Problem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6<br />

2.4 The Relaxation Algorithm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8<br />

2.4.1 Related Literature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11<br />

3 A Short Introduction to <strong>Matlab</strong> 13<br />

4 Numerical Simulation of <strong>Macroeconomic</strong> Models 16<br />

4.1 Model Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16<br />

4.2 The Ramsey Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17<br />

4.2.1 The model (social planner’s solution) . . . . . . . . . . . . . . . . . . . . 17<br />

4.2.2 The model (market solution) . . . . . . . . . . . . . . . . . . . . . . . . . 19<br />

4.2.3 Exercises . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20<br />

4.2.4 Numerical Calculation of Utility . . . . . . . . . . . . . . . . . . . . . . . 21<br />

4.3 The Lucas Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23<br />

4.3.1 The model (market solution) . . . . . . . . . . . . . . . . . . . . . . . . . 23<br />

4.3.2 Exercises . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26<br />

4.4 The Romer (1990) Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27<br />

4.4.1 The model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27<br />

4.4.2 Exercises . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31<br />

4.5 The Jones Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32<br />

4.5.1 The model (market solution) . . . . . . . . . . . . . . . . . . . . . . . . . 32<br />

4.5.2 Exercises . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

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