# Econometric analysis of panel data

## Book Econometric Analysis of Cross Section and Panel Data By Wooldridge - Overview pps

... method of inference and conﬁdence interval construction can improve on asymptotic analysis Volume of the Handbook of Econometrics and Volume 11 of the Handbook of Statistics contain nice surveys of ... available in Volume of the Handbook of Econometrics—see Powell (1994) and Hardle and Linton (1994)—as well as in ¨ Volume 11 of the Handbook of Statistics—see Horowitz (1993) and Ullah and Vinod (1993) ... Econometric Analysis of Cross Section and Panel Data Je¤rey M Wooldridge The MIT Press Cambridge, Massachusetts London, England Contents Preface Acknowledgments xvii xxiii I INTRODUCTION AND...
• 20
• 175
• 0

## Book Econometric Analysis of Cross Section and Panel Data By Wooldridge - Chapter 1 pot

... summary of properties of conditional expectations 1. 2 1. 2 .1 The Stochastic Setting and Asymptotic Analysis Data Structures In order to give proper treatment to modern cross section and panel data ... asymptotic analysis with these kinds of panel data sets is still in its early stages, and it requires special limit theory See, for example, Quah (19 94), Pesaran and Smith (19 95), Kao (19 99), and Phillips ... In cross section analysis the asymptotics is as the number of observations, denoted N throughout this book, tends to inﬁnity Usually what is meant by this statement is obvious For panel data analysis, ...
• 10
• 206
• 0

## Book Econometric Analysis of Cross Section and Panel Data By Wooldridge - Chapter 2 pdf

... Expectations and Related Concepts in Econometrics 15 Eðy j x1 ; x2 Þ ¼ b0 þ b1 x1 þ b2 x2 þ b x2 2: 3Þ Eðy j x1 ; x2 Þ ¼ b0 þ b1 x1 þ b2 x2 þ b x1 x2 2: 4Þ Eðy j x1 ; x2 Þ ¼ exp½b þ b1 logðx1 Þ þ b2 x2 ... b3 z 2: 23Þ but where z is unobserved By the LIE, and the linearity of the CE operator, Eðy j x1 ; x2 Þ ¼ Eðb0 þ b x1 þ b2 x2 þ b3 z j x1 ; x2 Þ ¼ b þ b1 x1 þ b x2 þ b3 Eðz j x1 ; x2 Þ 2: 24Þ Now, ... Eðy j x1 ; x2 Þ ¼ b0 þ b1 x1 þ b2 x2 þ b x1 x2 and deﬁne z1 x1 x2 Then, from Property CE.3, Eðy j x1 ; x2 ; z1 Þ ¼ b þ b1 x1 þ b x2 þ b3 z1 2: 46Þ The right-hand side of equation (2. 46) is also...
• 22
• 165
• 0

## Book Econometric Analysis of Cross Section and Panel Data By Wooldridge - Chapter 3 ppt

... lemma and Lemma 3. 8 [with R CðyÞ to get equation (3. 8) Problems 3. 1 Prove Lemma 3. 1 3. 2 Using Lemma 3. 2, prove Lemma 3. 3 3. 3 Explain why, under the assumptions of Lemma 3. 4, gðxN Þ ¼ Op ð1Þ 3. 4 ... Theory 3. 5.2 43 Asymptotic Properties of Test Statistics We begin with some important deﬁnitions in the large-sample analysis of test statistics definition 3. 13: (1) The asymptotic size of a testing ... The method of establishing equation (3. 8), given that statement (3. 3) holds, is often called the delta method, and it is used very often in econometrics It gets its name from its use of calculus...
• 12
• 209
• 0

## Book Econometric Analysis of Cross Section and Panel Data By Wooldridge - Chapter 4 ppt

... 4 4.1 The Single-Equation Linear Model and OLS Estimation Overview of the Single-Equation Linear Model This and the next couple of chapters cover what is still the ... FQ; NÀK random variable by dividing it by Q (and usu^ ally making the degrees -of- freedom adjustment to V) But there is nothing wrong with using equation (4. 13) directly 4. 2 .4 Lagrange Multiplier ... CovðxK ; eK Þ ¼ 4: 43Þ 74 Chapter From equation (4. 42), if assumption (4. 43) is true, then eK must be correlated with Ã the unobserved variable xK To determine the properties of OLS in this case,...
• 34
• 197
• 0

## Book Econometric Analysis of Cross Section and Panel Data By Wooldridge - Chapter 5 doc

... equation (5. 11) and the law of large numbers We consider a more general case in Section 5. 2.1 When searching for instruments for an endogenous explanatory variable, conditions (5. 3) and (5. 5) are ... Þ=ðx1 À x0 Þ where y0 and x0 are the sample averages of yi and xi over the part of the sample with zi ¼ 0, and y1 and x1 are the sample averages of yi and xi over the part of the sample with zi ... full set of estimates, including standard errors and t statistics, can be found in Card (19 95) Or, you can replicate Card’s results in Problem 5. 4 90 5. 1.2 Chapter Multiple Instruments: Two-Stage...
• 31
• 163
• 0

## Book Econometric Analysis of Cross Section and Panel Data By Wooldridge - Chapter 6 ppt

... structure, panel data, which we treat starting in Chapter Brieﬂy, in a panel data set we follow the same group of individuals, ﬁrms, cities, and so on over time In a pooling of cross sections over ... cross section data 6. 3.1 Pooled Cross Sections over Time A data structure that is useful for a variety of purposes, including policy analysis, is what we will call pooled cross sections over time ... level? 6. 7 For this problem use the data in HPRICE.RAW, which is a subset of the data used by Kiel and McClain (1995) The ﬁle contains housing prices and characteristics for two years, 1978 and...
• 27
• 190
• 0

## Book Econometric Analysis of Cross Section and Panel Data By Wooldridge - Chapter 7 pot

... single cross section A panel data set also allows us to control for unobserved cross section heterogeneity, but we will not exploit this feature of panel data until Chapter 10 170 7. 8.1 Chapter ... the analysis of the pooled OLS estimator for panel data; see Section 7. 8 7. 3.3 Testing Multiple Hypotheses ^ Testing multiple hypotheses in a very robust manner is easy once V in matrix (7. 26) ... the variance matrix of ui conditional on Xi In Section 7. 5.2 we make an assumption that simpliﬁes equation (7. 35) Estimating Systems of Equations by OLS and GLS 7. 5 7. 5.1 1 57 Feasible GLS Asymptotic...
• 40
• 162
• 0

## Book Econometric Analysis of Cross Section and Panel Data By Wooldridge - Chapter 8 pdf

... W)? 8. 7 With deﬁnitions (8. 14) and (8. 15), show that system 2SLS and 3SLS are ^ numerically identical whenever W is a diagonal matrix 8. 8 Consider the standard panel data model introduced in Chapter ... formula (8. 24) 8. 2 Consider the system of equations yi ¼ X i b þ u i where i indexes the cross section observation, yi and u i are G Â 1, Xi is G Â K, Zi is the G Â L matrix of instruments, and b ... total number of time periods) Therefore, the following analysis applies to panel data models where T is small relative to the cross section sample size, N; for an example, see Problem 8. 8 We cover...
• 26
• 202
• 0

## Book Econometric Analysis of Cross Section and Panel Data By Wooldridge - Chapter 9 doc

... IV 9. 9 Use the data in MROZ.RAW for this question a Estimate equations (9. 28) and (9. 29) jointly by 3SLS, and compare the 3SLS estimates with the 2SLS estimates for equations (9. 28) and (9. 29) ... (9. 38), and applying nonlinear GMM estimation See Lahiri and Schmidt ( 197 8) and Hausman, Newey, and Taylor ( 198 7) Simultaneous Equations Models 9. 4.3 2 29 Subtleties Concerning Identiﬁcation and ... structural equations (9. 4) and (9. 5) Given equation (9. 4) and the reduced form (9. 6), we can now use the identiﬁcation condition from Chapter for a linear model with a single right-hand-side endogenous...
• 37
• 170
• 0

## Book Econometric Analysis of Cross Section and Panel Data By Wooldridge - Chapter 10 pdf

... treated as 252 Chapter 10 random variables or as parameters to be estimated are wrongheaded for microeconometric panel data applications With a large number of random draws from the cross section, ... cross section units Often there are elements of x it that are constant across time for a subset of the cross section For example, if we have a panel of adults and one element of x it is education, ... equation (10. 7) by OLS Given a panel data set with two time periods, equation (10. 7) is just a standard cross section equation Under what assumptions will the OLS estimator from equation (10. 7) be...
• 51
• 169
• 0

## Book Econometric Analysis of Cross Section and Panel Data By Wooldridge - Chapter 11 pot

... approach to estimation in Chapter 14 11. 4 Hausman and Taylor-Type Models In the panel data methods we covered in Chapter 10, and so far in this chapter, coe‰cients on time-constant explanatory variables ... s0t 11: 37Þ 314 Chapter 11 Assumption (11. 37) opens up a solution to the measurement error problem with panel data that is not available with a single cross section or independently pooled Ã cross ... and assume that Eðzi1 ci Þ ¼ and Eðxit1 ci Þ ¼ 0; all t 11: 68Þ We still maintain assumption (11. 66), so that zi and xis are uncorrelated with uit for all t and s Assumptions (11. 66) and (11. 68)...
• 40
• 180
• 0

## Book Econometric Analysis of Cross Section and Panel Data By Wooldridge - Chapter 12 doc

... of Theorem 12. 1, assume that the identiﬁcation assumption (12. 11) holds Then a random vector, ^ ^ p y, solves problem (12. 8), and y ! yo A proof of Theorem 12. 2 is given in Newey and McFadden ... x 12: 43Þ While Hðw; yo Þ is generally a function of x and y, Aðx; y o Þ is a function only of x By the law of iterated expectations, E½Aðx; yo Þ ¼ E½Hðw; yo Þ ¼ Ao From Lemma 12. 1 and standard ... , Bo , Co , and , and can be estimated by using consistent estimators of Ao , Bo , and Co When we add assumption (12. 53), then the special versions of the Wald and LM statistics and the QLR...
• 46
• 130
• 0

## Book Econometric Analysis of Cross Section and Panel Data By Wooldridge - Chapter 13 pdf

... addition, panel data settings with large cross sections and relatively small time periods are encompassed, since the appropriate asymptotic analysis is with the time dimension ﬁxed and the cross section ... 13: 32Þ i¼1 and the asymptotic standard errors are the square roots of the diagonal elements of any of the matrices We discussed each of these estimators in the general M-estimator case in Chapter ... equations (13. 2) and (13. 3) in terms of the indicator function, denoted 1½ Á  This function is unity whenever the statement in brackets is true, and zero otherwise Thus, equations (13. 2) and (13. 3)...
• 36
• 219
• 0

## Book Econometric Analysis of Cross Section and Panel Data By Wooldridge - Chapter 14 pptx

... a linear demand and supply system for G attributes of a good or service (see Epple, 1987; Kahn and Lang, 1988; and Wooldridge, 1996) The demand and supply system is written as demandg ¼ h1g þ ... Chapter 14 along with equation (14. 44) Then ðx i1 ; x i3 Þ (and functions of these) can be used as instruments in any of the G demand equations, and ðq i ; x i Þ act as IVs in equation (14. 44) ... true when each is N -asymptotically normal, and that can be veriﬁed by stacking the ﬁrst-order representations of the estimators—assumptions (14. 55) and pﬃﬃﬃﬃﬃ pﬃﬃﬃﬃﬃ ^ ^ (14. 56) imply that the...
• 29
• 112
• 0

Xem thêm