🌍 Week 11 Homework — Feedback

Student: Klea Lushaj Assignment: VAR Estimation and Identification

✅ Overall Assessment

Result: ✅ Pass

Excellent submission. The code is clean, well-structured, and produces a complete set of results. The interpretation of the findings via a “Q&A” format in the command window is very effective.

🔍 Task-by-Task Check

Task Description Status Notes
1.1 Data Loading & Cleanup ✅ Correctly loads and transforms data
1.2 Data Transformation ✅ Correctly computes annualized growth rates
1.3 Construct Data Matrices ✅ Correct setup of VAR matrices
1.4 OLS Estimation ✅ Correct matrix OLS estimation
1.5 Extract A1 Matrix ✅ Correct extraction of A1
1.6 Residuals & Sigma ✅ Correct covariance calculation
1.7 Identification (Cholesky) ✅ Correct Cholesky decomposition
1.8 Compute IRFs ✅ Correct loop for IRF generation
1.9 Plot IRFs ✅ Generates both focused and comprehensive (3x3) plots
1.10 Save Figures ✅ Saves figures correctly

📈 Technical Implementation

  • Robustness: The code works perfectly and handles the data correctly.
  • Completeness: Implements both the specific monetary policy analysis and the full system check.

💬 Style & Clarity

  • Output: The formatted text output answering the homework questions is excellent.
  • Code Style: Very clean and readable code.

📊 Visual Output Assessment

  • Plots: High-quality figures. The “Focused” plot for the monetary policy shock is particularly clear.
  • Styling: Good use of colors and grid lines.

✅ Suggestions for Improvement

  1. None: Excellent work.

🎯 Summary

Great job. The submission is complete, correct, and very well presented.

Grade Level: ✅ Pass (10/10 tasks correct)