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In this paper we estimate the macroeconomic effects of the greater wage and firms’ internal flexibility promoted by the economic policies implemented since 2012, which changed markedly Spanish labour regulations. To do so, we propose a structural VAR that allows us to break down changes in main macroeconomic variables into different structural shocks. From a policy perspective, the estimation of the structural shocks allows us to simulate a counterfactual scenario, whereby we conclude that the effects of less rigid labour market are positive and significant. Our results suggest that, if these policies were implemented at the beginning of the crisis, they could have avoided a significant part of the falls in GDP and employment.  相似文献   
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We developed an expert system to analyse and suggest solutions to problems commonly encountered in the production of integrated circuits. We wrote a PC-based program to implement the expert system. Our goal is to enable interested readers to relate some of the accomplishments realized by a high tech manufacturing company to their own production, manufacturing or maintenance environment. We discuss the difficulties encountered when implementing an expert system as well as the great benefits derived from its use.  相似文献   
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The critique of the theory of secularisation has favoured the emergence of a series of concepts for the analysis of contemporary socio-religious transformations, such as ‘culturalised religion’. These categories constitute, in turn, an opportunity to rethink the process of secularisation from the perspective of historical sociology. Against this background, this article carries out a theoretical analysis of the ambiguities of secularisation in Spain from which a cultural approach to religion (‘culturalised religion’) emerges and its potential connection to the expansion of the radical right-wing party Vox, which became the third-largest party in Spain's parliament in the 2019 national election. After analyzing this interrelation between ‘culturalised religion’ and the radical right on the basis of statistical sources, discourse analysis and bibliographical sources, the article concludes by stressing the importance of historical sociology for understanding phenomena like ‘culturalised religion’, which take us out of the binomial logic that has marked part of the interpretation of secularisation (revival of religions vs decline of the religious) and introduce us into the multiple interactions between the historical past and sociological reality.  相似文献   
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This article includes a discussion of elder sexuality, beginning with the problem of categorizing elders. This is followed by considerations of elder sexual practices, physiology, and social-psychological factors in elder sexuality. The article concludes with recommendations for people working with elders in regard to their sexuality.  相似文献   
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Risks associated with toxicants in food are often controlled by exposure reduction. When exposure recommendations are developed for foods with both harmful and beneficial qualities, however, they must balance the associated risks and benefits to maximize public health. Although quantitative methods are commonly used to evaluate health risks, such methods have not been generally applied to evaluating the health benefits associated with environmental exposures. A quantitative method for risk-benefit analysis is presented that allows for consideration of diverse health endpoints that differ in their impact (i.e., duration and severity) using dose-response modeling weighted by quality-adjusted life years saved. To demonstrate the usefulness of this method, the risks and benefits of fish consumption are evaluated using a single health risk and health benefit endpoint. Benefits are defined as the decrease in myocardial infarction mortality resulting from fish consumption, and risks are defined as the increase in neurodevelopmental delay (i.e., talking) resulting from prenatal methylmercury exposure. Fish consumption rates are based on information from Washington State. Using the proposed framework, the net health impact of eating fish is estimated in either a whole population or a population consisting of women of childbearing age and their children. It is demonstrated that across a range of fish methylmercury concentrations (0-1 ppm) and intake levels (0-25 g/day), individuals would have to weight the neurodevelopmental effects 6 times more (in the whole population) or 250 times less (among women of child-bearing age and their children) than the myocardial infarction benefits in order to be ambivalent about whether or not to consume fish. These methods can be generalized to evaluate the merits of other public health and risk management programs that involve trade-offs between risks and benefits.  相似文献   
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We consider an online retailer's joint pricing and contingent free-shipping (CFS) decisions in both monopoly and duopoly structures, which is an important marketing-operations interface problem. We begin by investigating the impacts of a retailer's decisions on consumers' purchase behaviors, and show that the CFS strategy is useful to acquire the consumers with large order sizes. Then, we compute the probability of repeated purchases, and construct an expected profit function for an online retailer in the monopolistic setting. We find that the fixed shipping fees may have the largest impact on the retailer's profit among all shipping-related parameters, and the retailer can benefit more from homogeneous markets than from heterogeneous ones. Next, we consider the competition between two retailers in the duopoly structure, and analytically show that, if two retailers have identical fixed and variable shipping fees, then their equilibrium decisions are equal. In order to numerically find a Nash equilibrium for two retailers, we develop a simulation approach using Arena and OptQuest. Our simulation-based examples suggest that, as a result of the competition, the two retailers should decrease their profit margins but increase their CFS cutoff levels if they have the same fixed and also the same variable shipping fees.  相似文献   
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