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171.
Bieke?De?FraineEmail author Georges?Van?Landeghem Jan?Van?Damme Patrick?Onghena 《Quality and Quantity》2005,39(3):297-316
This paper reports on an exploration of student wellbeing in secondary school. A wellbeing questionnaire was administered four times to the same students. Multilevel models were applied in which measurements are grouped within students within schools. Differences between students are large, but there are only minor differences between schools regarding the wellbeing. Two methods of analysis of longitudinal data are compared: a multilevel multivariate approach and a multilevel growth curve analysis. It is shown that the estimation of individual growth curves is an elegant and parsimonious way of modelling. The multivariate approach on the other hand is a more modest model. The assumptions, advantages and disadvantages of both perspectives are listed. 相似文献
172.
Roberto Hernán Pedro L. Marín & Georges Siotis 《The Journal of industrial economics》2003,51(1):75-89
This paper empirically analyses the determinants of firm participation in Research Joint Ventures (RJVs). A review of the theoretical literature highlights the difficulty of identifying testable hypotheses. Using a large database of European RJVs, we estimate a participation equation at the firm level using the logit procedure. We find that sectorial R&D intensity, industry concentration, firm size, technological spillovers, and past RJV participation positively influence the probability of forming RJVs. By contrast, patents' effectiveness reduce the likelihood of RJV formation. Last, country fixed effects suggest that firms from larger countries are less likely to participate in cross–border RJVs. 相似文献
173.
Original Papers
The Internationalisation of Services: Trends and Barriers 相似文献174.
175.
Georges Casamatta 《Journal of Public Economic Theory》2003,5(4):571-591
We show that the retirees are able to obtain favorable pension policies whereas they belong to a minority in the population. The argument relies on the multidimensional nature of the political process. We consider a two‐dimensional collective choice problem. The first of these choices is the level of the contribution rate to the Pay‐As‐You‐Go pension system. The second is a noneconomic decision, unrelated to the pension system. Using a political agency model, we show that, as soon as the retirees are sufficiently numerous, the equilibrium tax rate may be higher than the tax rate preferred by the young, who yet constitute a majority over the pension issue. 相似文献
176.
We examine the portfolio-choice puzzle posed by Canner, Mankiw, and Weil [Canner, N., Mankiw, N.G., Weil, D.N., 1997. An asset allocation puzzle. The American Economic Review 87, 181–191]. From data on the portfolio composition of 470 clients of a brokerage firm, we obtain that the bonds/stocks ratio does decrease in relation to risk tolerance. This result complements the findings of CMW (1997) by focusing on actual allocations of individual portfolios rather than recommended allocations by financial advisors. 相似文献
177.
Elco van Burg Victor A. Gilsing Isabelle M.M.J. Reymen A. Georges L. Romme 《Journal of Product Innovation Management》2013,30(4):677-694
For entrepreneurs who intend to exploit university‐owned technologies, a cooperative relationship with the university is critical. This study aims to better understand this entrepreneur–university cooperation. A key factor influencing the quality of this cooperation is the fairness perception of the entrepreneur. However, little is known about how these fairness perceptions are formed in this context. Therefore, to increase insight in entrepreneur–university cooperation, this study explores the formation of fairness perceptions by entrepreneurs who cooperate with universities (in so‐called university spin‐offs). This study assesses how the rules these entrepreneurs employ to form fairness perceptions differ from fairness rules that have been established in previous studies on organizational justice. The results show that, in addition to established fairness rules, there are also fairness rules that are more specific to this entrepreneurial setting. These specific rules complement the established fairness rules to provide a more comprehensive understanding of the formation of fairness perceptions by entrepreneurs cooperating with a university. Moreover, this study explores to what extent different entrepreneurs form fairness perceptions differently and finds that both experience and relational capital of the entrepreneurs within the university are two key sources of heterogeneity. Overall, this study contributes to the literature by conceptualizing how entrepreneurs form fairness perceptions in cooperating with universities and how this extends established wisdom in organizational justice theory. Moreover, the rules identified in this study provide clues for entrepreneurs who wish to improve their collaboration with universities, and may also apply to the relationships between entrepreneurs and large corporations and between entrepreneurs and venture capitalists. 相似文献
178.
Review of World Economics - The aim of this article is to investigate the relationship between the exposition of emerging countries to original sin and the internationalization process of their... 相似文献
179.
We propose a count-data model with hierarchical random effects for the posterior insurance ratemaking of vehicles belonging to a fleet, by allowing random effects for the fleet, the vehicles, and time. We derive a simple closed-form ratemaking formula based on a hierarchical random-effects specification. We estimate the corresponding econometric model and compute insurance premiums according to the past experience of both the vehicle and the fleet. Our model can be used in other count-data applications with random individual and common effects on events involving many agents having activities with a principal in a hierarchical principal–agent environment, such as in education, health care management, finance, and business firms. 相似文献
180.
Georges Casamatta 《The Canadian journal of economics》2023,56(3):913-939
I determine the optimal income tax schedule when individuals both choose endogenously their labour supply and have the possibility of avoiding paying taxes. Considering a convex concealment cost function, I propose a formula for the optimal marginal tax rate, that generalizes the formula of the standard Mirrlees model to the case of tax avoidance. I also show that the results obtained by Casamatta (2021) in the fixed income case hold true when labour supply is endogenous: with a low enough marginal cost of avoidance, it is optimal to let some taxpayers, located in the interior of the skill distribution, avoid taxes. 相似文献