Panel Data - Memorial University of Newfoundland

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β =β+u 1i 1 i Average intercept (15.20) ( ) ( ) 2 = 0, cov , = 0, var ( ) = σ E u u u u i i j i u (15.21) y =β +β x +β x + e it 1i 2 2it 3 3it it Randomness of the intercept ( ) = β + u +β x +β x + e 1 i 2 2it 3 3it it Usual error (15.22) Principles of Econometrics, 3rd Edition Slide 15-38
( ) y =β +β x +β x + e + u it 1 2 2it 3 3it it i =β +β x +β x + v 1 2 2it 3 3it it a composite error (15.23) vit = ui + eit (15.24) Because the random effects regression error has two components, one for the individual and one for the regression, the random effects model is often called an error components model. Principles of Econometrics, 3rd Edition Slide 15-39
Page 1 and 2: ECON 4551 Econometrics II Memorial
Page 3 and 4: The different types of panel data s
Page 5 and 6: INV =β +β V +β K + e t = 1, , 20
Page 7 and 8: ( ) ( ) 2 ( ) E e = 0 var e =σ cov
Page 9 and 10: • Let D i be a dummy variable equ
Page 11 and 12: ( ) cov e , e = σ GE, t WE, t GE,
Page 13 and 14: Principles of Econometrics, 3rd Edi
Page 15 and 16: In GRETL the restrict command can b
Page 17 and 18: There are two situations where sepa
Page 19 and 20: Testing for correlated errors for t
Page 21 and 22: Testing for correlated errors for M
Page 23 and 24: • SUR is OK when the panel is lon
Page 25 and 26: ⎧1 i= 1 ⎧1 i= 2 ⎧1 i= 3 D1 i
Page 27 and 28: H H : β =β = =β 0 11 12 1N : th
Page 29 and 30: F = ( R − U) SSE ( NT − K ) SSE
Page 31 and 32: y =β +β x +β x + e it 1i 2 2it 3
Page 33 and 34: Usually, there is no interest in th
Page 35 and 36: y = b + bx + bx i 1i 2 2i 3 3i b1 i
Page 37: • In the RE model, the individual
Page 41 and 42: But now there are several correlati
Page 43 and 44: • The correlation between errors
Page 45 and 46: y =β +β x +β x + e it 1 2 2it 3
Page 47 and 48: GRETL shows by default this Breusch
Page 49 and 50: y =β x +β x +β x + v * * * * * i
Page 51 and 52: • There are different ways to cal
Page 53 and 54: • Note that there is within varia
Page 55 and 56: • The RE uses information from bo
Page 57 and 58: If the random error v = u + e it i
Page 59 and 60: y =β +β x +β x + u + e it 1 2 2i
Page 61 and 62: The test statistic to the coefficie
Page 63 and 64: Further issues We can generalise th
Page 65 and 66: Further issues • Of course it is
Page 67 and 68: Further issues • You can understa
Page 69 and 70: Readings Wooldridge’s book on pan
Page 71 and 72: Principles of Econometrics, 3rd Edi
Page 73 and 74: yi =β 1+β 2x2i +β 3x3i + ui + ei

Panel Data - Memorial University of Newfoundland

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