Policy Climates and Reductions in Automobile Use*

Objectives. This study examines how national environmental policy influences individual car‐driving behavior in the European Union. Methods. Using the International Social Survey: Environment II in conjunction with the 2001 and 2002 Environmental Sustainability Indices, we analyze the relationship between macro‐level policy indicators and the reported reduction of individual car driving for environmental reasons, controlling for meso‐ and micro‐level factors. Results. Our results show that individuals report a greater likelihood of driving less for environmental reasons when they live in nations that adopt strong pro‐environmental policies, even when such policies are not directly related to car use. Conclusions. Our finding that a national policy climate focused on environmental sustainability is associated with pro‐environmental behaviors among individuals in that nation encourages us to believe that greater international cooperation on environmental issues (such as the Kyoto Protocol) and increased strength of domestic environmental policies will positively change individual behavior.     

Are More Alternatives Better for Decision-Makers? A Note on the Role of Decision Cost

While the traditional economic wisdom believes that an individual will become better off by being given a larger opportunity set to choose from, in this paper we question this belief and build a formal theoretical model that introduces decision costs into the rational decision process. We show, under some reasonable conditions, that a larger feasible set may actually lower an individual’s level of satisfaction. This provides a solid economic underpinning for the Simon prediction.     

Countable Additivity and the Foundations of Bayesian Statistics

At a very fundamental level an individual (or a computer) can process only a finite amount of information in a finite time. We can therefore model the possibilities facing such an observer by a tree with only finitely many arcs leaving each node. There is a natural field of events associated with this tree, and we show that any finitely additive probability measure on this field will also be countably additive. Hence when considering the foundations of Bayesian statistics we may as well assume countable additivity over a σ-field of events.     

Individual vs. couple behavior: an experimental investigation of risk preferences

In this article, we elicit both individuals’ and couples’ preferences assuming prospect theory (PT) as a general theoretical framework for decision under risk. Our experimental method, based on certainty equivalents, allows to infer measurements of utility and probability weighting at the individual level and at the couple level. Our main results are twofold. First, risk attitude for couples is compatible with PT and incorporates deviations from expected utility similar to those found in individual decision making. Second, couples’ attitudes towards risk are found to be consistent with a mix of individual attitudes, women being more influent on couples’ preferences at low probability levels.     

Does the WTA/WTP ratio diminish as the severity of a health complaint is reduced? Testing for smoothness of the underlying utility of wealth function

The aim of the study reported in this paper is to test the hypothesis that individual utility of wealth functions may violate the assumption of smoothness that underpins the standard analysis of the Value of Statistical Life (VSL) and safety. In order to do so we examine the way in which the Willingness to Accept/Willingness to Pay (WTA/WTP) ratio varies as the severity of a health complaint is reduced. We find that as the severity of the health effect is reduced, the WTA/WTP ratio converges across the sample and tends to a level that does not significantly exceed unity. While we acknowledge that this does not constitute conclusive evidence of smoothness, it does suggest that the case in favour of the assumption that individual utility of wealth functions tend to display a kink at the current level of wealth is less than wholly persuasive.     

Ambivalences and Dilemmas in Handling Family Violence Cases among Youth Workers in Hong Kong

This qualitative study investigates practice problems experienced by youth workers as they handled family violence cases. The findings show that practice problems experienced by youth workers in handling family violence cases might include: (at the individual level) role confusion, lack of sufficient knowledge and skills, and ethical tensions; (at the messo level) problems of multi-agency coordination; and (at the structural level) high risks associated with the impoverished community where they worked. It is recommended that the competence of youth workers in dealing with family violence cases could be enhanced through better training and multi-agency collaboration.     

The dynamics of specific and diffuse support for the U.S. Supreme Court: A panel study

Prior inconsistencies in studies regarding specific and diffuse support for the U.S. Supreme Court have largely resulted from confusing two related yet distinct concepts: the level of diffuse support at a given moment, and change in the level of diffuse support over time. The results of a panel study show that specific support is related to both concepts but in different ways. Overall approval of the Supreme Court positively influences the level of diffuse support at a given moment. However, an individual's reaction to a particular Court decision is mediated by pre-existing ideological tension between the individual and the Court, and can cause a sudden change in that individual's diffuse support level. Post-stimulus diffuse support regeneration within an individual is related to support for democratic norms, awareness of the Court, and satisfaction with other governmental institutions.     

Embodying Psychological Thriving: Physical Thriving in Response to Stress

In addition to the context of psychological health, thriving can be measured in the context of physical health. Moreover, thriving may be operationalized at a macro level (e.g., improved functional health status following acute illness or injury) or at a micro level (e.g., hormonal balance). The goal of this article is to examine physical thriving at the micro level, by investigating hormonal responses to stressful situations. In addition, we examine the role that psychological factors play in this relationship. Although stress-induced arousal has traditionally been viewed as negative, certain endocrine responses to stress can be health enhancing. Specifically, we propose that physical thriving results when there is a greater amount of growth promoting or anabolic hormones (e.g., growth hormone) than catabolic hormones (e.g., cortisol). Characteristics of the stressor (duration, frequency, and controllability) as well as psychological moderators such as one's cognitive appraisal of the stressor (threat versus challenge) play a role in determining the profile of response to stress. When an individual appraises intermittent stressors as controllable, she or he may display a resilient profile of stress hormone responding—rapid cortisol responses with quick recovery, and more importantly, cortisol adaptation when faced with similar stressors over time. This stress response is in turn related to better health. To substantiate some of these issues, we present data from a study examining women's cortisol reactivity in response to a repeated laboratory stressor and their self-reported growth from facing trauma. The results suggest that women who have grown psychologically from trauma may show quicker cortisol habituation to other stressors. Cortisol adaptation to stress may serve as one potential marker of resilient psychological and physical functioning.     

Perspectives on determinants of social welfare: introduction

In this commentary we discuss and elaborate on a number of topics that have been raised in the articles in this issue. The first topic treated is causality. All scientists are aware of the difficulties of making causal inferences in non‐experimental settings, and in many cases arguments are forwarded that support the causal interpretation of the reported relationships. Questions of bi‐directional causality, nonlinear relationships and the importance of omitted variables are discussed, as is the supporting evidence that in some cases comes from experimental studies. The second topic is the level of analysis employed in the empirical analyses and the difficulty of interpreting findings at a different level of aggregation than the level applied in these analyses. In this context, the importance of applying a person‐orientation is pointed out to ensure that the findings are interpretable at the level of the single individual. Even in individual‐level analyses, this can be problematic if one relies on group statistics produced within a variable‐oriented framework. The third topic concerns how to handle interactions and nonlinear relationships. The fourth topic concerns the importance of improving measurements so that a good correspondence is achieved between them and the theoretical conceptualisations. The fifth and last topic is concerned with the argument that different ways of investigating the generalisability of the results to different populations should be tried.     

The Individualism-Holism Problem in Sociological Research

This paper treats the problem of which type of units, individuals or whole societies, should be used when explaining societal phenomena. It is argued that factors operating at the individual level in principle form societies, and that societal phenomena therefore should ideally be explained at this level. However, it is also argued that many societal phenomena cannot in practice be analyzed at the individual level in a clear and strict way, but rather must be analyzed holistically, because it is not known how they are related to individual factors due to the complexity of societies. For societies to be described and analyzed in a clear and strict way, they must as a rule be much simplified, and such simplification is often made easier by abandoning the individualistic perspective. If researchers still wish to describe a connection between individual factors and a societal phenomenon, they often must do so in vague terms. There are also other problems with the individualistic perspective that make it difficult to use. However, using the holistic perspective may be risky, as shown by two hypothetical examples.     

Characterization of the existence of semicontinuous weak utilities for binary relations

We characterize the existence of semicontinuous weak utilities in a general framework, where the axioms of transitivity and acyclicity are relaxed to that of consistency in the sense of Suzumura (Economica 43:381?C390, 1976). This kind of representations allow us to transfer the problem of the existence of the ${{\mathcal{G}}{\mathcal{O}}{\mathcal{C}}{\mathcal{H}}{\mathcal{A}}}$ set of a binary relation to the easier problem of getting maxima of a real function. Finally, we show that the maxima of these representations correspond to the different levels of satiation that each of individual has (an individual reaches his or her level of satiation when an increase of consuming an alternative product/service brings no increase in utility).     

Social capital and its relevance to the Japanese-model welfare society

Current debates and initiatives relating to the welfare regime in Japan focus on the contributions of informal and community networks. In this article, we adopt the concept of social capital, which is assessed according to three categories – structural social capital, experiential individual social capital and anticipatory individual social capital – in order to evaluate the assumptions and strengths of community in Japan. The findings are based on a small-scale survey conducted in the Greater Kobe area in 2002. The study revealed that the level of structural social capital is 'average' and the level of experiential individual social capital is 'rather low'. However, the anticipatory individual social capital, which is the expectation of future assistance whether conditional or unconditional, is higher than the experiential individual social capital. The findings suggest that, in Japan, people's belief that they will receive assistance in the future has a significant impact on their level of achievement. Such findings may help us understand the nature of the welfare regime in Japan: it depends on a sense of general trust, which effectively supports the informal groups and community networks that provide assistance to their members.     

“I Pay Enough Taxes Already!” Applying Economic Voting Models to Environmental Referendums*

Objectives. Models of economic voting have rarely been applied to referendum votes. We fill this gap by testing citizens' voting behavior on environmental policy in relation to their perception of the business cycle and general orientation toward politics. Thus, the study examines the personal, institutional, and economic determinants of vote choice on 36 environmental bills from 1983 to 2004 in Switzerland. Methods. We apply a logistic hierarchical model, where individual characteristics on Level 1 are nested within contextual determinants situated on Level 2. Results. We confirm the crucial importance of the individual‐level variables education, political affinity, car ownership, and urbanity. Classifying the electorate into five groups, using open‐ended survey questions about respondents' reasons for approval or dismissal of the bills, allows for finer hypotheses testing. We show that the individuals' positive perception of their personal current economic condition has a positive effect on the likelihood of supporting the proposals. In turn, we prove the negative, constraining effect of deteriorating macroeconomic conditions on approval rates. Conclusions. By applying economic voting models to referendum analyses we advance the understanding of citizens' vote choice on environmental ballots, we show the role of context, and we propose an original typology of voters' general orientation toward politics.     

Political influence in multi-choice institutions: cyclicity,anonymity, and transitivity

We study political influence in institutions where each member chooses a level of support for a collective goal. These individual choices determine the degree to which the goal is reached. Influence is assessed by newly defined binary relations, each of which ranks members on the basis of their relative performance at a corresponding level of participation. For institutions with three options (e.g., voting games in which each voter may vote “yes”, “abstain”, or vote “no”), we obtain three influence relations, and show that their strict components may be cyclic. This latter property describes a “paradox of power” which contrasts with the transitivity of the unique influence relation of binary voting games. Weak conditions of anonymity suffice for each of these relations to be transitive. We also obtain a necessary and sufficient condition for each of these relations to be complete. Further, we characterize institutions in which the rankings induced by these relations, and the Banzhaf–Coleman and Shapley–Shubik power indices coincide. We argue that extending the influence relations to firms would be useful in efficiently assigning workers to different units of production. Finally, we provide applications to various forms of political and economic organizations.     

收入不平等对中国居民幸福感的影响及其机制研究

本文立足于社会规范视角,以中国综合社会调查(CGSS)数据为基础,考察与分析区域层次的收入不平等对居民幸福感的影响及其机制。结果显示,当前中国的收入不平等会损害个人对幸福的积极体验。与高收入群体相比,低收入群体更容易产生这种负向感知。相对剥夺和关系信任构成的社会心理过程是影响收入不平等与个人幸福感关系的重要机制,资源供给机制未获调查数据的支持。在此基础上,本文认为,国民幸福感的高低并非取决于收入不平等本身,而是分配体系构建的合理性。所以,建立具有公平正义价值导向的收入分配体系是提升中国居民幸福感的发展方向。     

Updating beliefs with imperfect signals: Experimental evidence

We conduct an experiment on individual choice under risk in which we study belief updating when an agent receives a signal that restricts the number of possible states of the world. Subjects observe a sample drawn from an urn and form initial beliefs about the urn??s composition. We then elicit how beliefs are modified after subjects receive a signal that restricts the set of the possible urns from which the observed sample could have been drawn. We find that this type of signal increases the frequency of correct assessments and that prediction accuracy is higher for lower levels of risk. We also show that prediction accuracy is higher after invalidating signals (i.e. signals that contradict the initial belief). This pattern is explained by the lower level of risk associated with invalidating signals. Finally, we find evidence for a lack of persistence of choices under high risk.     

收入不平等与个体健康——基于2005年中国综合社会调查的实证分析

文章利用2005年中国综合社会调查（CGSS2005）数据与县级社会统计资料,通过拟合多层Logistic回归模型,分析了地区收入不平等程度对个体健康状况的影响,系统检验了绝对收入理论和收入不平等理论。结果表明,即使在控制了个体收入对健康的凹陷效应之后,县级收入不平等程度仍对个体自评健康具有显著的负面影响。对收入不平等影响健康的作用机制的进一步分析表明,社会心理机制仅能部分解释不平等对健康的负面效应,而新唯物主义机制未能得到经验支持。     

The interplay of friends and parents in adolescents’ daily lives: Towards a dynamic view of social support

This daily diary study investigated the interplay of perceived friend and parent support in adolescents’ everyday lives. Specifically, we tested the interactive effects of friend and parent support on adolescent well‐being at both the intra‐ and inter‐individual level. A diverse sample of 119 adolescents (M_age = 15.36) completed diary reports for 2 weeks. Multivariate multilevel models demonstrated that on days adolescents felt more supported by their friends or parents, they experienced increases in their happiness and social connectedness. Additionally, parent support emerged as a protective factor for youth lacking friend support, although patterns differed at the intra‐ vs. inter‐individual level. The findings underscore the dynamic nature of social support in adolescents’ daily lives and highlight the interactive roles of friends and parents in promoting youth well‐being.