58 resultados para Dam retirement

em Consorci de Serveis Universitaris de Catalunya (CSUC), Spain


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Objective: This study examines health care utilization of immigrants relative to the native-born populations aged 50 years and older in eleven European countries. Methods. We analyzed data from the Survey of Health Aging and Retirement in Europe (SHARE) from 2004 for a sample of 27,444 individuals in 11 European countries. Negative Binomial regression was conducted to examine the difference in number of doctor visits, visits to General Practitioners (GPs), and hospital stays between immigrants and the native-born individuals. Results: We find evidence those immigrants above age 50 use health services on average more than the native-born populations with the same characteristics. Our models show immigrants have between 6% and 27% more expected visits to the doctor, GP or hospital stays when compared to native-born populations in a number of European countries. Discussion: Elderly immigrant populations might be using health services more intensively due to cultural reasons.

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In dam inspection tasks, an underwater robot has to grab images while surveying the wall meanwhile maintaining a certain distance and relative orientation. This paper proposes the use of an MSIS (mechanically scanned imaging sonar) for relative positioning of a robot with respect to the wall. An imaging sonar gathers polar image scans from which depth images (range & bearing) are generated. Depth scans are first processed to extract a line corresponding to the wall (with the Hough transform), which is then tracked by means of an EKF (Extended Kalman Filter) using a static motion model and an implicit measurement equation associating the sensed points to the candidate line. The line estimate is referenced to the robot fixed frame and represented in polar coordinates (rho&thetas) which directly corresponds to the actual distance and relative orientation of the robot with respect to the wall. The proposed system has been tested in simulation as well as in water tank conditions

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This paper presents a complete control architecture that has been designed to fulfill predefined missions with an autonomous underwater vehicle (AUV). The control architecture has three levels of control: mission level, task level and vehicle level. The novelty of the work resides in the mission level, which is built with a Petri network that defines the sequence of tasks that are executed depending on the unpredictable situations that may occur. The task control system is composed of a set of active behaviours and a coordinator that selects the most appropriate vehicle action at each moment. The paper focuses on the design of the mission controller and its interaction with the task controller. Simulations, inspired on an industrial underwater inspection of a dam grate, show the effectiveness of the control architecture

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Descripció i anàlisi del sistema de funcionament de justícia juvenil en medi obert, i concretament la metodologia de treball dels DAM, per tal d’evidenciar les competències requerides a l’hora de desenvolupar l’exercici professional d’educador social com a DAM, tot exposant una anàlisi de la formació acadèmica impartida al llarg de la diplomatura d’Educació Social en relació a aquests requeriments

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We argue that long term sustainability of social security systems requires not only better equilibrium between the proportion in retirement and in employment but also an equitable distribution of the additional financial burden that aging inevitably will require. We examine how a proportional fixed ratios model of burden sharing between the aged and non-aged will establish inter-generational equity. Additionally we address the question of intra-generational equity and argue that the positive association between lifetime income and longevity requires more progressive financing of pensions and of care for the elderly.

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We propose a positive theory that is consistent with two important featuresof social security programs around the world: (1) they redistributeincome from young to old and (2) they induce retirement. We construct avoting model that includes a political campaign or debate prior to theelection. The model incorporates single-mindedness of the groups that donot work: while the workers divide their political capital between their age concerns and occupational concerns , the retired concentrate alltheir political capital to support their age group. In our model, theelderly end up getting transfers from the government (paid by the young)and distortionary labor income taxes induce the retirement of the elderly.In addition, our model predicts that occupational groups that work morewill tend to have more political power. The opposite is true fornon-occupational groups (such as the elderly). We provide some evidencethat supports these additional predictions.

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In this paper we explore the effects of the minimum pension program on welfare andretirement in Spain. This is done with a stylized life-cycle model which provides a convenient analytical characterization of optimal behavior. We use data from the Spanish Social Security to estimate the behavioral parameters of the model and then simulate the changes induced by the minimum pension in aggregate retirement patterns. The impact is substantial: there is threefold increase in retirement at 60 (the age of first entitlement) with respect to the economy without minimum pensions, and total early retirement (before or at 60) is almost 50% larger.

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In this paper we analyze the sensitivity of the labour market decisions of workers close toretirement with respect to the incentives created by public regulations. We improve upon the extensiveprior literature on the effect of pension incentives on retirement in two ways. First, bymodeling the transitions between employment, unemployment and retirement in a simultaneousmanner, paying special attention to the transition from unemployment to retirement (which is particularlyimportant in Spain). Second, by considering the influence of unobserved heterogeneity inthe estimation of the effect of our (carefully constructed) incentive variables.Using administrative data, we find that, when properly defined, economic incentives have astrong impact on labour market decisions in Spain. Unemployment regulations are shown to be particularlyinfluential for retirement behaviour, along with the more traditional determinants linked tothe pension system. Pension variables also have a major bearing on both workers reemploymentdecisions and on the strategic actions of employers. The quantitative impact of the incentives, however,is greatly affected by the existence of unobserved heterogeneity among workers. Its omissionleads to sizable biases in the assessment of the sensitivity to economic incentives, a finding thathas clear consequences for the credibility of any model-based policy analysis. We confirm theimportance of this potential problem in one especially interesting instance: the reform of earlyretirement provisions undertaken in Spain in 2002. We use a difference-in-difference approach tomeasure the behavioural reaction to this change, finding a large overestimation when unobservedheterogeneity is not taken into account.

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Why are the old politically successful? We build a simple interest group model in which political pressure is time-intensive, showing that in the political competitive equilibrium each group lobbies for government policies that lower their own value of time but the old do so to a greater extent and as a result are net gainers from the political process. What distinguishes the elderly from other political groups (and what makes them more succesful) is that they have lower labor productivity and/or that we are all likely to become elderly at some point, while we are relatively unlikely to change gender, race, sexual orientation, or even ocupation, The model has a variety of implications for the design of social security programs, which we test using data from the Social Security Administration. For example, the model predicts that social security programs with retirement incentives are larger and that the old are more "single-minded" in their politics, implications which we verify using cross-country government finance data and cross-country political participation surveys. Finally, we show that the forced savings programs intended to "reform" the social security system may increase the amount of intergenerational redistribution. As a model for evaluating policy reforms, ours has the attractive feature that reforms must be time time consistent from a political point of view rather than a public interest point of view.

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This paper describes preliminary results of a qualitative case study on mobile communication conducted in an elders¿ retirement home in Toronto (Ontario, Canada) in May 2012. This is part of an international research project on the relationship between mobile communications and older people.Secondary data at a Canadian level contextualizes the case study. We focus ondemographic characteristics and on adoption and use of information and communication technologies (ICTs) broken by age.Participants in the study (21 individuals) are between 75 and 98 years of age, thereforewe can consider that the gathered evidence refers to the ¿old¿ older. Mobile phoneusers in the sample describe very specific uses of the mobile phone, while non-usersreport not facing external pressures for adopting that technology. The main channel formediated communication is the landline; in consequences mobile phones ¿when used¿ constitute an extra layer of communication. Finally, when members of the personal network of the individuals live abroad they are more prone to use Internet and Skype. We are also able to find ex-users of both mobile telephony and computers/internet who stopped using these technologies because they did not find any use for them.

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[cat]El capital humà i, per tant, l’educació tenen un impacte en el benestar futur de la societat. En aquest treball s’estudia la connexió entre el suport dels votants per una educació pública i les preocupacions sobre la seva jubilació. Mostrem com els votants anticipen els efectes positius que té l’educació sobre les pensions futures. Així, el recolzament a un sistema educatiu públic s’incrementa si el sistema de pensions és més redistributiu, cosa que també es dóna entre els ciutadans que prefereixen una educació privada. També mostrem que el tipus d’equilibri “ends against the middle” pot ocórrer fins i tot quan la taxa impositiva preferida pels votants és decreixent amb la renda.

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[cat]El capital humà i, per tant, l’educació tenen un impacte en el benestar futur de la societat. En aquest treball s’estudia la connexió entre el suport dels votants per una educació pública i les preocupacions sobre la seva jubilació. Mostrem com els votants anticipen els efectes positius que té l’educació sobre les pensions futures. Així, el recolzament a un sistema educatiu públic s’incrementa si el sistema de pensions és més redistributiu, cosa que també es dóna entre els ciutadans que prefereixen una educació privada. També mostrem que el tipus d’equilibri “ends against the middle” pot ocórrer fins i tot quan la taxa impositiva preferida pels votants és decreixent amb la renda.

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[cat] El progrés tecnològic afecta a la jubilació anticipada a través de dues forces oposades. Per una banda, augmenta el salari real i, per tant, crea incentius per posposar la jubilació. Per altra banda, causa l’erosió de les habilitats dels treballadors, el qual augmenta la probabilitat de jubilació anticipada. En aquest article reexaminem l’efecte del progrés tecnològic en la jubilació anticipada tenint en compte que, al principi de la vida laboral, els individus es distribueixen en diferents sectors segons la seva habilitat. Obtenim dos resultats principals: 1) per petits (grans) canvis tecnològics, l’efecte salari (erosió) domina, i 2) els individus més capaços resisteixen millor l’efecte erosió.

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[cat] El progrés tecnològic afecta a la jubilació anticipada a través de dues forces oposades. Per una banda, augmenta el salari real i, per tant, crea incentius per posposar la jubilació. Per altra banda, causa l’erosió de les habilitats dels treballadors, el qual augmenta la probabilitat de jubilació anticipada. En aquest article reexaminem l’efecte del progrés tecnològic en la jubilació anticipada tenint en compte que, al principi de la vida laboral, els individus es distribueixen en diferents sectors segons la seva habilitat. Obtenim dos resultats principals: 1) per petits (grans) canvis tecnològics, l’efecte salari (erosió) domina, i 2) els individus més capaços resisteixen millor l’efecte erosió.

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This study examines health care utilization of immigrants relative to the native-born populations aged 50 years and older in eleven European countries. Methods. We analyzed data from the Survey of Health Aging and Retirement in Europe (SHARE) from 2004 for a sample of 27,444 individuals in 11 European countries. Negative Binomial regression was conducted to examine the difference in number of doctor visits, visits to General Practitioners (GPs), and hospital stays between immigrants and the native-born individuals. Results: We find evidence those immigrants above age 50 use health services on average more than the native-born populations with the same characteristics. Our models show immigrants have between 6% and 27% more expected visits to the doctor, GP or hospital stays when compared to native-born populations in a number of European countries. Discussion: Elderly immigrant populations might be using health services more intensively due to cultural reasons.