Book Econometric Analysis of Cross Section and Panel Data By Wooldridge - Chapter 17 pot

... reduced form of equation (17. 44) as y 2 ¼ maxð0; zd 2 þ v 2 Þ: 17: 46Þ But then equations (17. 43) and (17. 46) constitute the model we studied in Section 17. 5.1. The vector d 2 is consistently estimated by ... certainly does and is assumed not to appear in the labor supply function, a tenuous assumption. 17. 7 Sample Selection and Attrition in Linear Panel Data Models In o...

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... 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, ... the time series dimension and let the cross section dimension grow. The research on asymptotic analysis with these kinds of panel data sets is still in its early...

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... 7.6 (Wage Equation with Panel Data) : Suppose we have data for the years 1990, 1991, and 1992 on a cross section of individuals, and we would like to estimate the e¤ect of computer usage on individual ... categories into value of vacation days, value of sick leave, value of employer-provided insurance, and value of pen- sion. Use hourly measures of these along wit...

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... in a single cross section on the second- di¤erenced data, so that if the second-di¤ere nce error is homoskedastic condition al on x i , the standard OLS analysis on the cross section of second ... 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 tim...

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... Data censoring also arises in the ana lysis of duration models, a topic we treat in Chapter 20. A second kind of application of censored regression models appears more often in econometrics and, ... is an example of data censoring, and is analogous to the data- coding problem we dis- cussed in Section 15.10.2 in connection with interval regression. Example 16.1 (Top Coding...

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... e¤ect of w on Eðy jw; cÞ, holding c fixed, is easily estimated. Unfortunately, complications often arise in the collection and analysis of economic data because of the nonexperimental nature of economics. ... function of x.Wheny and x are random, it makes sense to use the right-hand side of equation (2.8), but where f ðxÞ is the conditional mean, mðxÞ. Therefore, the (parti...

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... square root of the appropriate diagonal ele- ment of ^ VV N =N. The asymptotic standard errors can be loosely thought of as estimating the standard deviations of the elements of ^ yy N , and they ... Limiting Behavior of Estimators and Test Statistics In this section, we apply the previous concepts to sequences of estimators. Because estimators depend on the random outcomes...

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... Linear Model and OLS Estimation 53 II LINEAR MODELS In this part we begin our econometric analysis of linear models for cross section and panel data. In Chapter 4 we review the single-equation linear ... for cross section data as well as begin our analysis of panel data. Chapter 8 builds on the framework from Chapter 7 but considers the case where some expl...

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... quarters of birth and various interactions of these with year of birth and state of birth—are very weak, and they are too numerous relative to their contribu- tion in explaining years of education. ... linear combination of interest, say y 1 a 1 b 1 þ a 2 b 2 þÁÁÁþa K b K , and then to write one of the b j in terms of y and the other elements of b. Then, substitute...

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... confuse a pooling of independent cross sections with a di¤erent data structure, panel data, which we treat starting in Chapter 7. Briefly, in a panel data set we follow the same group of individuals, ... case of the White test because ð ^ yy i ; ^ yy 2 i Þ con- tains two linear combinations of the squares and cross products of all elements in x i . Additional Single...

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