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Regressione lineare semplice: inferenza - Economia

Regressione lineare semplice: inferenza - Economia

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Teorema di Gauss-Markov<br />

Distribuzione campionaria gaussiana di ˆ β1<br />

Var[ ˆ β1 − β1] = 1<br />

n 2<br />

<br />

i<br />

w 2 i E[u 2 i ] = 1<br />

n 2 σ2 u<br />

<br />

Rossi <strong>Regressione</strong> <strong>lineare</strong> <strong>semplice</strong> Econometria - 2013 49 / 60<br />

i<br />

w 2 i

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