Week 12 — Heteroscedasticity
ECON 3209 · Kerala Agricultural University
Autumn 2026
Week 12 Overview
Understand, detect, and correct for heteroscedasticity. Covers Breusch-Pagan, White test, WLS, and robust standard errors.
| Lecture 1 |
Nature & Consequences |
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| Lecture 2 |
Detection Tests |
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| Lecture 3 |
WLS & Robust SE in Python |
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