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The top documents tagged [heteroskedasticity chapter]
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10.3 Time Series Thus Far Whereas cross sectional data needed 3 assumptions to make OLS unbiased, time series data needs only 2 -Although the third assumption
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Review. Review of Standard Errors (cont.) Problem: we do not know 2 Solution: estimate 2 We do not observe the ACTUAL error terms, i We DO observe
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Econometrics
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