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461.
Anne Roeters Tanja
Van Der Lippe Esther S. Kluwer 《Journal of marriage and the family》2010,72(5):1317-1328
This study investigated whether the amount and nature of parent‐child time mediated the association between parental work characteristics and parent‐child relationship quality. We based hypotheses on the conflict and enrichment approaches, and we tested a path model using self‐collected data on 1,008 Dutch fathers and 929 Dutch mothers with school‐aged children. Longer working hours and less work engagement were associated with less parent‐child time and longer working hours, more restrictive organizational norms, stress, flexibility, nonstandard hours (mothers only), and work engagement increased the disturbance of parent‐child activities. Less and more disturbed parent‐child activities were, in turn, associated with a lower parent‐child relationship quality. In addition, work engagement and working hours had direct, beneficial effects on parent‐child relationship quality. 相似文献
462.
463.
针对众筹模式下如何激励消费者投资以实现众筹项目成功的问题,从信息发布和产品线设计的角度,通过两阶段博弈的理论模型,考虑了AON(all-or-nothing)模式下众筹方采用顺序发布和同时发布两种不同信息发布方式时,产品线的菜单价格和质量设计。研究表明:在顺序发布策略下产品线的质量差异化程度依赖于消费者异质性程度和高价值消费者的比例,和传统模式下产品质量相比,当消费者异质性很大同时高保留价格消费者的比例很高时,产品线质量差异和传统模式相同;当消费者异质性较小并且高保留价格消费者的比例较低时,产品线质量差异更小;当消费者异质性较小而高保留价格消费者比例较高时,产品线质量差异更大;而在同时发布策略下,产品线质量的差异化程度和传统模式相同,但价格差异与传统模式相比更大;相对于顺序发布策略而言,同时发布策略下由于极大程度的降低了消费者可能搭便车倾向,企业可以获取更多收益。这些结果将有助于采用AON众筹模式的企业在不同信息框架下做出最优的产品线质量设计和定价决策。 相似文献
464.
挪用公款罪的许多理论和实践问题,一直备受理论与实务界的关注和争议。最高人民法院于1998年出台的司法解释,规定因受贿而挪用公款构成犯罪的,按数罪并罚处理。笔者对此持否定意见,认为因受贿而挪用公款仍属于单纯的一罪,不发生数罪并罚问题,并从行为的罪数性质、该解释的合理性分析、挪用公款罪的立法背景和立法例的比较等四个方面,提出了自己的理由与依据,以及对该行为从一重处断的主张。 相似文献
465.
We employ strategic decision-making process theory to study the internal capital markets of firms and argue that varying allocation efficiency can result from the configuration of the capital allocation decision-making process. Learning from earlier research on firms' portfolio allocations, we also develop assumptions on interaction effects with firm-level unrelated diversification and environmental dynamics. We test our hypotheses with structural equation modeling on an international sample of large multi-business firms. Our results suggest that process formalization and analytical comprehensiveness have a positive influence on the efficiency of allocation decisions. Another key result is that unrelated diversified portfolios positively moderate the influence of analytical comprehensiveness and formalization, while dynamic environments negatively impact the influence of formal processes but reward managerial involvement. 相似文献
466.
We draw on the emerging literature on the micro-foundation of capability development to investigate the effects of the relative importance of corporate sustainability in a firm's organizational cognitive frame on the development of distinct organizational capabilities. Based on survey data from 124 Danish manufacturing firms and seven interviews, we find that the relative importance of corporate sustainability in a firm's organizational cognitive frame positively encourages the development of three organizational capabilities, namely, stakeholder integration, market sensing, and organizational learning. However, contrary to our expectation and reasoning, we find that the development of the strategic planning capability is negatively affected. Our findings provide novel empirical evidence and contribute to an improved understanding of the effect of a firm's organizational cognitive frame on the development of organizational capabilities. 相似文献
467.
伴随着我国经济从高速增长逐渐向经济新常态转变,港口的发展也从高速增长阶段逐渐趋近平稳,随之而来的港口风险问题日益突出。由于港口的发展同中国经济发展相似,呈现非常明显的非线性发展特征,这样采用传统的单一模型很难刻画这一现实问题。为此,本文首次构造了Logistic生长方程—马尔可夫组合模型,通过Logistic生长方程生成马尔可夫模型所需要的状态参数,在此基础上构造风险转移概率矩阵,有效的解决了港口投资风险的测度问题。本文选取1985至2014年的样本数据进行验证,结果表明:2016年后港口投资风险会突显出来,并将持续较长一段时期,表明我国港口正处在转型升级的关键时期,需加快从外延式扩张向内涵式发展转变,从粗放式到精细化管理转变。 相似文献
468.
Since the seminal paper of Ghirardato (1997), it is known that Fubini theorem for non additive measures can be available only for functions as “slice-comonotonic” in the framework of product algebra. Later, inspired by Ghirardato (1997), Chateauneuf and Lefort (2008) obtained some Fubini theorems for non additive measures in the framework of product σ-algebra. In this article, we study Fubini theorem for non additive measures in the framework of g-expectation. We give some different assumptions that provide Fubini theorem in the framework of g-expectation. 相似文献
469.
Two Itô stochastic differential equation (SDE) systems are constructed for a Susceptible-Infected-Susceptible epidemic model with temporary vaccination. A constant number of new members enter the population and total size of the population is variable. Some conditions for disease extinction in the stochastic models are established and compared with conditions in deterministic one. It is shown that the two stochastic models are equivalent in the sense that their solutions come from same distribution. In addition, the SDE models are simulated and the equivalence of the two stochastic models is confirmed by numerical examples. The probability distribution for extinction is also obtained numerically, provided there exists a probability for disease persistence whereas the expected duration of epidemic is acquired when extinction occurs with probability 1. 相似文献
470.
A steadily growing number of studies investigate how popular support for social policies targeting particular groups is rooted in citizens’ deservingness opinions. According to theory, people fall back on five criteria – Control, Attitude, Reciprocity, Identity and Need (CARIN) – to distinguish the deserving from the undeserving. Deservingness opinions are assumed to be important predictors of support for particular welfare arrangements. A striking feature of this emerging research, however, is that there is no agreed-upon strategy to measure deservingness. Most previous studies rely on proxy-variables rather than measuring the actual deservingness criteria. Deservingness functions as a heuristic rather than as a measured concept, which leads to conceptual confusion. To remedy this shortcoming, this contribution proposes and validates a new instrument –the CARIN deservingness principles scale- that captures the five basic deservingness principles. We analyse data from the Belgian National Election Study by means of structural equation modelling (SEM) to (1) test the dimensionality, validity and reliability of the scale, and (2) verify to what extent the five deservingness principles predict specific policy preferences (as a test of construct validity). Our analyses confirm that the five deservingness principles are distinct dimensions that are differently related to social structural variables and have divergent consequences for policy preferences. The finding of theoretically meaningful patterns of differentiated effects illustrates that the CARIN criteria represent distinct logics of social justice, and corroborates that our measurement instrument is capable of tapping into the essence of these criteria. 相似文献