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91.
Cecilia Tomassini Douglas A. Wolf Alessandro Rosina 《Journal of marriage and the family》2003,65(3):700-715
Many studies of intergenerational exchanges include parent‐child proximity as an exogenous explanatory variable. Proximity may itself be a consequence of intergenerational resource flows, however. We analyze patterns of economic transfers between generations and their relationship to parent‐child proximity in Italy. Parental support for a child's home purchase may influence the child's choice of location, whether to facilitate parent‐child contacts, grandchild care, or parent care. We examine the situation of married couples, focusing on housing help received and the association of that help with proximity to each spouse's parents. Using 1998 survey data and multinomial logistic regression models, we find that past housing assistance has a significant effect on current proximity to each spouse's parents, controlling for parents' survival, family composition, and other factors. 相似文献
92.
Alessandro Fassò 《Statistical Methods and Applications》1992,1(2):235-249
Summary In the present paper, rupture detection in a possibly complex stochastic system is enhanced by means of a procedure for localizing
the actual rupture among various possible sources. A general model is considered which includes a variety oflinear and non-linear
innovation based models. The proposed localizing multiple comparison procedure satisfiescoherence andconsonance and, for a wide class of models, strongly controls the familywise error i.e. the various type I error probabilities involved.
The first order autoregressive optimal control model is considered as a popular example. Montecarlo simulations are performed
to evaluate asymptotic approximations and diagnostic performances by means of mean time of delay and mean time between false
alarms. Some conjectures are then given on the possible structure of these indicators. 相似文献
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Morten Huse Robert Hoskisson Alessandro Zattoni Riccardo Viganò 《Journal of Management and Governance》2011,15(1):5-28
Scholars and practitioners have recently devoted considerable attention to boards of directors, but far more research is needed.
We still know little about how boards actually work and how their behavior may be improved to contribute to value creation.
During more than two decades agency theory has been the dominant theory in studies about boards of directors. When relaxing
some of the assumptions in agency theory several new pathways for new research arise. To present new perspectives on board
research we follow in this essay some of the pathways arising from relaxing agency theory assumptions about complete contracts.
Alternative theoretical approaches, research questions and methods are suggested. 相似文献
96.
Alessandro Crociata Massimiliano Agovino Pier Luigi Sacco 《Social indicators research》2014,118(1):219-233
Loss of well-being, rising rates of depression and various psychological illnesses are a public health concern. This study aims to explore the associations between cultural access and mental illness. Applying a panel methodology to the 20 Italian regions (2002–2007 period) the relationship between public health expenditure per-capita (the dependent variable) and hospital discharge rates for different illnesses (the regressors) has been estimated. Then the impact of the private spending in culture (the regressors) on the mental illness—as approximated by the discharge rate for mental illness—(the dependent variable), has been verified via generalised method of moments (GMM) approach. Data came from the National Census of the Italian Institute of Statistics (ISTAT). The results of empirical analysis have highlighted how the discharge rate for mental illness is substantially improved by some forms of cultural consumptions. The coefficients associated with unemployment rates (the control variables) have a positive impact on mental illness, thus suggesting that unemployment has an impact on the discharge rate for mental illness; the greatest impact is observed for the long-term unemployment rate. The results are beneficial for designing and implementing preventive strategies to reduce mental illness and public health expenditure by considering the impact of cultural access. 相似文献
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Adam Arvidsson Alessandro Caliandro Massimo Airoldi Stefania Barina 《Information, Communication & Society》2016,19(7):921-939
This paper addresses crowd-based dynamics of value creation in participatory culture. Based on a corpus of 114,931 tweets associated with One Direction and similar boy bands, we draw on recent theories of crowd-based organization in digital media as well as classical crowd theory to build a theoretical model of collective value creation. In our model, the achievement of value in the form of trending and individual microcelebrity is based on affectively driven processes of imitation, rather than on rational evaluation and deliberation. We contrast this model with established accounts of microcelebrity and draw out implications for theories of crowd-based organization in digital media and for theories of participatory culture and collaborative value creation in general. 相似文献
100.
Borroi Mario Minoja Mario Sinatra Alessandro 《Journal of Management and Governance》1998,2(3):233-266
This paper discusses the relationship between the subjective organisation and the perceived competitive structure of an industry based on an empirical study of the Carpi textile-clothing district, which partially replicates a previous study of the Scottish knitwear industry conducted by other authors (Porac et al., 1995). The initial hypothesis to be tested is that an industry may be broken down into a number of subsets of firms within which competition is perceived as being fiercer as compared with firms in different subsets. These subsets, or groups, correspond to the groups or types of firms into which decision-makers -- managers and entrepreneurial business owners alike -- perceive the industry as being divided.The results of the study are then compared to the empirical evidence from the research conducted by other authors. This comparison provides some interesting elements for investigating the relationships between industry complexity, cognitive maps and strategies implemented by the firms belonging to it. After suggesting a definition of complexity of an industry as the number of strategies implemented in it by competitors, we discuss the hypothesis that key-actors in the firms develop a mental picture of their environment that tends to become less comprehensive and accurate as the degree of complexity of the environment itself increases. 相似文献