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Anthony J. Montgomery Efharis Panagopoulou Maria C.W. Peeters Wilmar B. Schaufeli 《Community, Work & Family》2009,12(4):455-471
Studies of work and family issues have used predominately between-subject cross-sectional designs. While some researchers have called for more longitudinal studies, others have suggested that a more strategic way forward for the field is the use of daily diary studies (Frone, Russell, & Cooper, 1992). This study explores different types of interference between work and non-work domains, using a diary study methodology. This study consisted of a two-week diary study among 12 Irish employees. Analysis involved a two-step procedure involving both content analysis and interpretative phenomenological analysis (IPA). Results indicated that while individuals reported strain-based and time-based interference, evidence was also found of interference concerning persistent and intrusive thoughts. Despite some limitations to the study, this paper demonstrates that diary studies represent an opportunity for researchers to explore work and non-work experiences in a sensitive and ecologically valid way. 相似文献
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Stijn Van Puyvelde Ralf Caers Cind Du Bois Marc Jegers 《Nonprofit management & leadership》2013,24(1):63-85
Most principal–agent literature of nonprofit organizations has focused on the relationship between board members and managers. However, in addition to the role as an agent of the board, the manager also performs a role as principal with respect to the nonprofit employees. By using a discrete choice experiment, we identify the objectives of managers and employees in nonprofit organizations and assess the presence of agency problems in this relationship. Our sample consists of 76 headmasters, 161 teachers, and 39 administrative employees in 74 secondary nonprofit schools in Belgium. We find that the six objectives set out in the experiment play an important role for both headmasters and subordinate staff. However, the results also indicate that some of these objectives are significantly more important for the headmasters. In sum, our results suggest that agency theory and stewardship theory are not necessarily in conflict with each other but can be combined into a more general governance framework for nonprofit organizations. Consequently, we argue that incentive structures that incorporate different types of objectives can facilitate the recruitment and retention of employees in nonprofit organizations. 相似文献
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Growing life expectancy and changes in financial, marriage and labour markets have placed the income position of the elderly at the center of scientific and political discourse. As a consequence, the last decades witnessed the publication of various influential reports that contained comparative statistics on old age income inequalities on the basis of international surveys. Common to these surveys is that they exclude the elderly who live in institutions. The divergence between the target population (e.g. the population aged 65 and over) and the survey population (e.g. the noninstitutionalized population aged 65 and over) that thus arises, might lead to important bias in the survey results. However, hardly any research has been conducted quantifying the direction and strength of this bias. This article tries to fill this gap and assesses the consequences of excluding the institutionalized elderly for the validity and international comparability of a number of indicators. Analyses with the Belgian Datawarehouse Labour Market and Social Protection show that the resulting bias is negligible for average equivalent pension income, but that assistance dependency among pensioners is underestimated by 10%. Furthermore, on the basis of international statistics, it is shown that the share of elderly in institutions varies substantially across countries. It is argued how this jeopardizes the international comparability of old age statistics. Finally, the article opens up a discussion on the meaning of lack of income and wealth among institutionalized elderly. It concludes that depending on how this question is answered, poverty will be under- or overestimated in countries with a high share of institutionalized elderly. 相似文献
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Whole-genome sequences are now available, and methods have evolved for targeting, in parallel, each gene in a genome, offering for the first time the opportunity to study the entire dynamic network of genes involved in aging. At a recent conference in Hersonissos, Crete, around 200 internationally renowned experts gathered to discuss techniques and emerging results as the science of aging undergoes a shift toward systems biology. 相似文献
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Erika Rost Jörn Sonnenburg Ralf Hanatschek Karsten Heinz Philippe Barré Radovan Fuchs Adriana Gjonaj Florian Gruber Slobodanka Koprivica Slavi Krušic Peter Mayr Iulia Mihail Husein Panjeta Nikos Sidiropoulos Viktor Stefov Anneliese Stoklaska Sándor Szigeti Jean-Luc Teffo Ivan Videnovic Albena Vutsova Dagmar Simon Hildegard Matthies 《Transition Studies Review》2007,14(2):205-261
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We consider a manufacturer without any frozen periods in production schedules so that it can dynamically update the schedules as the demand forecast evolves over time until the realization of actual demand. The manufacturer has a fixed production capacity in each production period, which impacts the time to start production as well as the production schedules. We develop a dynamic optimization model to analyze the optimal production schedules under capacity constraint and demand‐forecast updating. To model the evolution of demand forecasts, we use both additive and multiplicative versions of the martingale model of forecast evolution. We first derive expressions for the optimal base stock levels for a single‐product model. We find that manufacturers located near their market bases can realize most of their potential profits (i.e., profit made when the capacity is unlimited) by building a very limited amount of capacity. For moderate demand uncertainty, we also show that it is almost impossible for manufacturers to compensate for the increase in supply–demand mismatches resulting from long delivery lead times by increasing capacity, making lead‐time reduction a better alternative than capacity expansion. We then extend the model to a multi‐product case and derive expressions for the optimal production quantities for each product given a shared capacity constraint. Using a two‐product model, we show that the manufacturer should utilize its capacity more in earlier periods when the demand for both products is more positively correlated. 相似文献
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Thomas Peeters 《Economic inquiry》2015,53(2):1275-1291
In this article, I examine how sports leagues can use gate revenue sharing to coordinate talent investments and maximize club profits. Gate revenue sharing reduces incentives to invest in talent. Initially lower investments boost profits, because total costs go down, but investing less also shrinks revenues, which harms profits at higher levels of sharing. The league maximizes profits by setting a sharing rule, which balances these two effects. Gate revenue sharing decreases talent investments more strongly in leagues with heterogeneous rather than homogeneous local market sizes. As a result, the profit‐maximizing level of sharing is higher for relatively homogeneous leagues. This implies that more balanced leagues are expected to share more gate revenues than less balanced leagues. It also explains why gate revenue sharing is widely used in the U.S. major leagues, while it is largely absent in European soccer. (JEL L41, L83) 相似文献