Made available in DSpace on 2014-12-17T14:34:45Z (GMT). No. of bitstreams: 1 JoseANS_DISSERT.pdf: 1156572 bytes, checksum: 4666965366a1ddf89a4160f89ef286c0 (MD5) Previous issue date: 2012-11-19 / This study aims to analyze the main effect of social programs and cash transfers on the labor supply of non-farm family members in poverty in rural areas of the Northeast. Among the specific objectives, we sought to investigate the effects of these programs and individual characteristics on the decision of participation and allocation of working hours of parents and children in non-agricultural activities. It was assumed, as a theoretical basis, the model of neoclassical labor supply as well as the principle that the decision of allocation of working hours, non-agricultural, is subject to the initial choice of the worker devote or not the non-agricultural employment . The hypothesis assumes that access to social programs and income transfer contributes to the dismay of rural workers, in poverty, in its decision to participate and offer hours of work in non-agricultural activities. To achieve this objective, we applied the models of Heckman (1979) and Double Hurdle, of Cragg (1971), consisting of associating the decision to participate in the labor market with the decision on the amount of hours allocated. The database used was the National Survey by Household Sampling (PNAD) of 2006. The results of the heads of households showed that transfers of income, although they may have some effect on labor supply rural nonfarm, the magnitude has to say that there may be some dependence on benefits. The estimates for the joint children of 10 to 15 years showed that the programs have negatively influenced participation in suggesting an increase in school participation, although for the allocation of working hours the results were not significant on the incidence of child labor / Este estudo tem como objetivo principal analisar o efeito dos programas sociais e de transfer?ncia de renda sobre a oferta de trabalho n?o agr?cola de membros das fam?lias em condi??o de pobreza no meio rural da regi?o Nordeste. Entre os objetivos espec?ficos, procurou-se investigar os efeitos desses programas e das caracter?sticas individuais sobre a decis?o de participa??o e de aloca??o de horas de trabalho de pais e de filhos em atividades n?o agr?colas. Admitiu-se, como base te?rica, o modelo de oferta de trabalho neocl?ssico, bem como o princ?pio de que a decis?o de aloca??o de horas de trabalho n?o agr?cola est? condicionada ? escolha inicial do trabalhador em se dedicar ou n?o ao emprego n?o agr?cola. A hip?tese testada pressup?e que o acesso aos programas sociais e de transfer?ncia de renda contribuem para o desalento do trabalhador rural, em condi??o de pobreza, na sua decis?o de participar e ofertar horas de trabalho nas atividades n?o agr?colas. Para alcan?ar esse objetivo, aplicaram-se os modelos de Heckman (1979) e de Double Hurdle, de Cragg (1971), que consistem em associar a decis?o de participa??o no mercado de trabalho com a decis?o da quantidade de horas de trabalho alocadas. A base de dados utilizada foi a da Pesquisa Nacional por Amostragem de Domicilio (PNAD), do ano de 2006. Os resultados dos chefes dos domic?lios mostraram que as transfer?ncias de renda, embora possam ter algum efeito sobre a oferta de trabalho rural n?o agr?cola, n?o t?m magnitude suficiente para que se afirme que possa haver alguma depend?ncia em rela??o aos benef?cios. As estima??es conjuntas para os filhos de 10 a 15 anos mostraram que os programas t?m influenciado negativamente na participa??o, sugerindo um aumento na participa??o escolar, embora, para a aloca??o de horas de trabalho, os resultados n?o tenham sido significantes sobre a incid?ncia de trabalho infantil

Diese Dissertation besteht aus vier Aufsätzen, die zur empirischen Literatur der Allokation der Arbeitszeit beitragen. Der erste Artikel untersucht die Wechselbeziehung zwischen Arbeit und Sozialleben von Paaren und untersucht die Synchronisation der Arbeitszeiten. Ein neuer Analyseansatz wird vorgeschlagen, der es ermöglicht, den durchschnittlichen Einfluss der Arbeitsbedingungen der deutschen Bevölkerung auf die Allokation der Freizeit zu bestimmen. Der zweite Aufsatz untersucht, ob Arbeit zu unüblichen Bedingungen gemäß der Theorie kompensierender Lohndifferentiale durch höhere Löhne entlohnt wird. Die Ergebnisse zeigen, dass solche Arbeiter 9--10 Prozent höhere Stundenlöhne erhalten. Diese Zuschläge haben einen u-förmigen Verlauf über die Einkommensverteilung für Schichtarbeiter. Die Ausrichtung der Analyse auf monetäre Kompensation solcher Arbeitsbedingungen, vernachlässigt mögliche adverse Auswirkungen auf das Sozialleben und die Gesundheit. Der dritte Artikel untersucht daher nicht-pekuniäre Aspekte. Freizeit wird in solchen Jobs zu einem höheren Anteil allein verbracht, was sich negativ auf das Wohlbefinden auswirken kann, da der Grenznutzen der Freizeit sinkt. Die drastischen Auswirkungen dieser Arbeit zieht ein erhöhtes Risiko auf den mentalen und physischen Gesundheitszustand mit sich, der sich aus einer signifikant niedrigeren Schlafallokation ergibt. Besonders betroffen sind ältere Arbeitnehmer, die eine höhere Wahrscheinlichkeit haben, diesen Arbeitsbedingungen schon über einen längeren Zeitraum ausgesetzt zu sein. Abschließend untersucht der vierte Aufsatz den kausalen Zugewinn auf die elterliche Zeit mit Kindern, den Arbeitnehmer durch mehr zeitliche Arbeitsflexibilität erreichen. Gleitzeitregelungen erlauben es Müttern somit, etwa 30 Prozent mehr ihrer verfügbaren Zeit mit ihren Kindern zu verbringen. Zeitliche Flexibilität kann somit die adversen Effekte der Beschäftigung von Müttern auf die kognitive Entwicklung ihrer Kinder abmildert. / This thesis consists of four essays that contribute to the empirical literature of the allocation of market work. The first essay studies the interrelation between working schedules and social life of couples by investigating the synchronization of schedules. A novel approach is proposed that allows for a determination of the average impact of working conditions of the German population on the allocation of leisure. From these findings, couple-specific conclusions concerning the active synchronization of schedules can be drawn. The second essay is devoted to empirically testing the assumption of compensating wage differentials predicting that work at non-standard hours shall be compensated by higher wage rates. The results suggest 9--10 percent higher hourly wage rates. Wage premia are U-shaped across the earnings distribution for shift workers. Since the focus on monetary compensation of such working condition neglects potential adverse consequences on the worker''s social life and individual health, the third essay explores such non-pecuniary aspects. Such jobs entail significantly higher levels of solitary leisure which is likely to adversely affect the worker''s well-being by reducing the marginal utility of leisure. The more severe consequence of work at undesirable hours is the augmented risk to physical and mental health which arises from the significantly lower allocation of time to sleep. In particular older workers who are potentially exposed to such working conditions over a longer time horizon bear the highest risks. Finally, the fourth essay studies the causal gain from temporal work flexibility on parental time with children. Flexitime arrangements allow mothers to spend 30 percent more of their disposable time on childcare. The results are generalizable to Germany as a whole. The paper provides empirical support for the importance of temporal work flexibility on mitigating adverse effects of maternal employment on the child''s cognitive development.