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Solow Model Calibrated to a SAM for 1950 Usual assumptions Written in Excel for transparency (instead of GAMS) Interpretation and changes are straightforward Produces a counterfactual
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Structuralist Model Calibrated to the same SAM Uses capacity generated by Solow model
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Investment function 1.u: capacity utilization u = X/Q 2.X: aggregate demand 3.Expected rate of profit relative to the cost of capital
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Expected profit rate Last period’s profit rate plus a random error term (uniform distribution) r t = r t-1 + ε
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X = X(u; ρ*,ρ)+ ε where ρ ∗ foreign savings ρ govt investment less govt savings ρ* and ρ are “shocks” (in terms of % of GDP) Supply determined by Solow model Aggregate Demand
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Labor Market Supply: exogenous growth rate Demand: follows productivity and real wages Walrasian adjustment with lag
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The Shocks Two ways to model them 1.Historical trend (average rate of growth) 2.Actual data (year by year)
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Trend shocks
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Actual Foreign (trend fiscal)
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Actual Fiscal and Foreign
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Conclusion Fiscal policy stabilizing until late 1980s- 1990s. Se vayan todos: classic government failure ∙ Argentina and Washington Consensus
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Households 75 households (1950) to 234 households (2000) Two labor categories: Skilled and unskilled
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To enter the skilled labor market Requires “skill” obtained through Education or previous experience Luck
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Points system All labor contracts are renegotiated each period Education one point ExperienceL t = 1+(1/L t-1 ) Recent experience (last period) Luck (according to a random variable)
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Household Decision Rules
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Employer’s Decision
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Simulation Design Excess supply of skilled labor Some skilled labor bias built into the model A worker without skill can at best equal a worker with skill (never preferred).
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Trend shocks with HH block
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Trend Fiscal Actual Foreign
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Income Distribution
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