Essays In Dynamic Panel Data Models And Labor Supply
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Essays In Dynamic Panel Data Models And Labor Supply
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Author : Kolobadia Ada Nayihouba
language : en
Publisher:
Release Date : 2019
Essays In Dynamic Panel Data Models And Labor Supply written by Kolobadia Ada Nayihouba and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019 with categories.
This thesis is organized in three chapters. The first two chapters propose a regularization approach to the estimation of two estimators of the dynamic panel data model : the Generalized Method of Moment (GMM) estimator and the Limited Information Maximum Likelihood (LIML) estimator. The last chapter of the thesis is an application of regularization to the estimation of labor supply elasticities using pseudo panel data models. In a dynamic panel data model, the number of moment conditions increases rapidly with the time dimension, resulting in a large dimensional covariance matrix of the instruments. Inverting this large dimensional matrix to compute the estimator leads to poor finite sample properties. To address this issue, we propose a regularization approach to the estimation of such models where a generalized inverse of the covariance matrix of the intruments is used instead of its usual inverse. Three regularization schemes are used : Principal components, Tikhonov which is based on Ridge regression (also called Bayesian shrinkage) and finally Landweber Fridman which is an iterative method. All these methods involve a regularization parameter which is similar to the smoothing parameter in nonparametric regressions. The finite sample properties of the regularized estimator depends on this parameter which needs to be selected between many potential values. In the first chapter (co-authored with Marine Carrasco), we propose the regularized GMM estimator of the dynamic panel data models. Under double asymptotics, we show that our regularized estimators are consistent and asymptotically normal provided that the regularization parameter goes to zero slower than the sample size goes to infinity. We derive a data driven selection of the regularization parameter based on an approximation of the higher-order Mean Square Error and show its optimality. The simulations confirm that regularization improves the properties of the usual GMM estimator. As empirical application, we investigate the effect of financial development on economic growth. In the second chapter (co-authored with Marine Carrasco), we propose the regularized LIML estimator of the dynamic panel data model. The LIML estimator is known to have better small sample properties than the GMM estimator but its implementation becomes problematic when the time dimension of the panel becomes large. We derive the asymptotic properties of the regularized LIML under double asymptotics. A data-driven procedure to select the parameter of regularization is proposed. The good performances of the regularized LIML estimator over the usual (not regularized) LIML estimator, the usual GMM estimator and the regularized GMM estimator are confirmed by the simulations. In the last chapter, I consider the estimation of the labor supply elasticities of Canadian men through a regularization approach. Unobserved heterogeneity and measurement errors on wage and income variables are known to cause endogeneity issues in the estimation of labor supply models. A popular solution to the endogeneity issue is to group data in categories based on observable characteristics and compute the weighted least squares at the group level. This grouping estimator has been proved to be equivalent to instrumental variables (IV) estimator on the individual level data using group dummies as intruments. Hence, in presence of large number of groups, the grouping estimator exhibites a small bias similar to the one of the IV estimator in presence of many instruments. I take advantage of the correspondance between grouping estimators and the IV estimator to propose a regularization approach to the estimation of the model. Using this approach leads to wage elasticities that are substantially different from those obtained through grouping estimators.
Three Essays On Share Contracts Labor Supply And The Estimation Of Models For Dynamic Panel Data
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Author : Seung Chan Ahn
language : en
Publisher:
Release Date : 1990
Three Essays On Share Contracts Labor Supply And The Estimation Of Models For Dynamic Panel Data written by Seung Chan Ahn and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Labor contract categories.
Essays On Labor Economics
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Author : Lu Liu
language : en
Publisher:
Release Date : 2020
Essays On Labor Economics written by Lu Liu and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020 with categories.
This dissertation contributes towards our understanding of Labor Economics and Applied Econometrics. It consists of three chapters. The first two chapters shed light on the determinants of female labor supply behavior by connecting theory to household-level data. The third chapter studies the nonlinear generalized method of moments (GMM) in dynamic panels and its application to value-added models of learning. In Chapter 1, I propose that the rising sex ratio (number of males per female) imbalance has been an important factor in the recent feminization of rural-to-urban migration in China. To establish this connection, I first develop a three-player noncooperative household model in which both the parents and the daughter contribute time or money to improve the well-being of sons. The local sex ratio can affect the players' choices via two channels: either by influencing the preference towards sons, or by imposing negative impact on sons' welfare due to intensified marriage market competition. My model predicts that daughters are more likely to participate in migratory work when the local sex ratio is higher. Drawing on data from Rural-Urban Migration in China Survey, I then test the hypothesis by comparing unmarried rural women with brothers and those without brothers when conditioning on family size. My identification strategy exploits the exogenous variation in the number of brothers a rural woman has that comes from the randomness in parental sibling structure. I show that an increase in the local sex ratio significantly raises the probability of becoming a migrant worker for unmarried rural women who have brothers, while no significant effect is observed among those without brothers. The positive link is stronger for rural women who have a larger number of brothers or whose brothers are relatively younger. I also discover that around 40% of the increase in rural female labor migration rate from 1990 to 2000 could be explained by the changes in the sex ratio. I further find evidence in favor of the marriage market pressure mechanism. Chapter 2 (joint work with Zhongda Li) examines the intergenerational determinants of women's labor force participation decision. Existing studies have established a positive correlation between a married woman's work behavior and her mother-in-law's. Such linkage is attributable to the profound influence of maternal employment on son's gender role preferences or household productivity. In this chapter we investigate the relative importance of the two potential mechanisms using the Chinese survey data. We show that a substantive part of the intergenerational correlation is left unexplained even if we control for the husband's gender role attitudes. Instead, we find that the husband's household productivity is more crucial in the wife's work decision, suggesting the dominance of the endowment channel over the preference channel. Chapter 3 develops a novel framework for constructing nonlinear moment conditions in dynamic panel data models. I demonstrate that the nonlinear GMM estimator considerably mitigates the classical weak identification problem arising from two data generating processes: (i) the autoregressive parameter is close to the unit circle; (ii) the ratio of variances of individual heterogeneity and idiosyncratic errors diverges to infinity. I further derive analytical expressions for the bias term of the linear and nonlinear GMM estimators, and show that the use of nonlinear moments results in smaller finite sample bias. In simulation studies, the nonlinear GMM estimator performs well compared to both the difference and system GMM estimators. As an empirical illustration, I estimate the effect of class size reduction and private school attendance on student academic achievement using a value-added model with learning dynamics.
Essays On Labor Supply And Poverty
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Author : Md. Nizamul Islam
language : en
Publisher: Goteborg University
Release Date : 2006
Essays On Labor Supply And Poverty written by Md. Nizamul Islam and has been published by Goteborg University this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Labor supply categories.
The Predictive Value Of Subjective Labour Supply Data
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Author : Rob Euwals
language : en
Publisher:
Release Date : 2001
The Predictive Value Of Subjective Labour Supply Data written by Rob Euwals and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with Employment forecasting categories.
This paper tests the predictive value of subjective labour supply data for adjustments in working hours over time. The idea is that if subjective labour supply data help to predict next year's working hours, such data must contain at least some information on individual labour supply preferences. This informational content can be crucial to identify models of labour supply. Furthermore, it can be crucial to investigate the need for, or, alternatively, the support for laws and collective agreements on working hours flexibility. In this paper I apply dynamic panel data models that allow for measurement error. I find evidence for the predictive power of subjective labour supply data concerning desired working hours in the German Socio- Economic Panel 1988-1996.
Dynamic Models Of Labor Supply And Retirement
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Author :
language : en
Publisher:
Release Date : 2012
Dynamic Models Of Labor Supply And Retirement written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with categories.
This dissertation contains three separate essays on the dynamic models of labor supply and retirement. The first essay documents "sharp retirement"--retirement accompanied by a discontinuous decline in labor supply--across three data sets, which previous literature found difficult to explain. I propose and estimate a life-cycle labor supply model with habit persistence wherein sharp retirement can be explained by workers quitting "cold turkey." The working habit model is consistent with the data, where workers reduce yearly labor supply by scaling back more in hours worked per week (over 50% reduction) than in weeks worked per year (20% reduction). The fixed costs approach cannot explain these trends. Counterfactuals show that reducing Social Security benefits by 20% causes individuals work an additional 8.6 months. Individuals choosing sharp retirement respond mostly on the extensive margin by delaying retirement eight months, while individuals choosing smooth retirement respond mostly on the intensive margin by increasing yearly labor supply and delaying retirement only one month. The second essay develops and estimates a Ben-Porath human capital model in which individuals make decisions on consumption, human capital investment, labor supply, and retirement, allowing both an endogenous wage process and an endogenous retirement decision. We estimate the model using the Method of Simulated Moments to match the life-cycle profiles of wages and hours from the PSID data. Counterfactuals of delaying NRA and removing Social Security earnings test show significant increases in one individual's human capital investment at old ages, which leads to over 20% increase in the wage profile near retirement. The third essay tests for asymmetric employer learning in the labor market using a three-period model with a match component of wages. When a worker makes her quit/stay decision in a labor market with three periods, she must consider the signaling effect of her decision in subsequent periods. This breaks down some implications derived from two-period models, which are mostly used in the empirical literature. I suggest two alternative hypothesis tests for asymmetric employer learning in the model. I use the NLSY79 Work-History data and find evidence of asymmetric employer learning from these tests.
Semiparametric Panel Data Models With Heterogeneous Dynamic Adjustment
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Author : University of Guelph. Department of Economics
language : en
Publisher:
Release Date : 1994
Semiparametric Panel Data Models With Heterogeneous Dynamic Adjustment written by University of Guelph. Department of Economics and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Labor supply categories.
Some Dynamic Life Cycle Models Of Labour Supply Estimated From Panel Data
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Author : Olympia Bover Hidiroglu
language : en
Publisher:
Release Date : 1986
Some Dynamic Life Cycle Models Of Labour Supply Estimated From Panel Data written by Olympia Bover Hidiroglu and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with categories.
Essays On Dynamic Panel Data Models With Interactive Effects
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Author : Yan-Ting Chen
language : en
Publisher:
Release Date : 2021
Essays On Dynamic Panel Data Models With Interactive Effects written by Yan-Ting Chen and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021 with categories.
Essays In Honor Of Jerry Hausman
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Author : Badi H. Baltagi
language : en
Publisher: Emerald Group Publishing
Release Date : 2012-12-17
Essays In Honor Of Jerry Hausman written by Badi H. Baltagi and has been published by Emerald Group Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-17 with Business & Economics categories.
Aims to annually publish original scholarly econometrics papers on designated topics with the intention of expanding the use of developed and emerging econometric techniques by disseminating ideas on the theory and practice of econometrics throughout the empirical economic, business and social science literature.