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1.
We investigate the roots of scientists' perceptions of the impact of their work by examining stable psychological characteristics such as personality traits. An analysis of personality traits highlights the effects of policies related to gender equality, allocation of research time and skills acquisition. It improves our understanding of the conflicts related to scientists’ perceptions of the impact of their research on beneficiaries. For example, conscientiousness increases the perceived impact on clinical beneficiaries, but reduces the perceived impact on industrial beneficiaries. Organizational scientific freedom increases the effects of personality traits on perceived impact on beneficiaries such that scientists affiliated to a university are less likely than colleagues working in other research settings to perceive the simultaneous impact of their work on both industrial and clinical beneficiaries. 相似文献
2.
Cristian A. Pinto‐Gutirrez 《Canadian Journal of Administrative Sciences / Revue Canadienne des Sciences de l\u0027Administration》2019,36(3):432-449
This paper examines the role of media coverage and investor attention on the outcomes of seasoned equity offerings (SEOs). I use an archive of Thomson Reuters news articles to proxy for firm visibility and investor attention. I find that the volumes of news articles prior to the offerings are positively associated with the offer price discounts of SEOs. Furthermore, the volumes of news articles are negatively associated with the cumulative abnormal returns three days around the SEOs. I conclude that the costs of equity increase with media coverage prior to SEOs. Overall, the evidence is consistent with the hypothesis that media coverage affects investors' information processing in SEOs. Copyright © 2018 ASAC. Published by John Wiley & Sons, Ltd. 相似文献
3.
I examine the effect of reform on telecom performance using a second-generation regulatory framework index and panel data techniques to test how regulatory governance affected sector performance in 22 Latin American countries during the period 1980–1997. Sound regulatory governance in telecommunications has a positive impact on network expansion and efficiency, in both the static and dynamic specifications. Openness of markets to competition and divestment of former state-owned telco operators also contributed positively to better sector performance. The dynamic specification shows that past performance has its own strong effect on present (and perhaps future) performance. 相似文献
4.
5.
The principal aim of this paper is to evaluate the impact of the future European high-speed train network on accessibility, by reducing time distance between places and modifying their relative location. We compare the current situation with that foreseen for the year 2010, according to the Outline Plan of the European High-Speed Train Network, in order to analyse which areas will most benefit from construction and improvement of the infrastructure. It is hypothesized that the high-speed train will certainly bring the peripheral regions closer to the central ones, but will also increase imbalances between the main cities and their hinterlands. A weighted average distance indicator is applied for this purpose. This measure identifies the spatial distribution of accessibility in the area of study, emphasizing the infrastructure effects, and locates accessibility changes at the European level. A Geographic Information System (GIS) has been used to carry out this study. 相似文献
6.
The aim of this paper is to provide a connection between concentration and inequality. In particular, we show that the general
entropy inequality indices are, among inequality measures, those consistent with the whole set of Hannah-Kay concentration
indices. We isolate the inequality component underlying concentration measures, obtaining an explicit additive decomposition
of the change in concentration into the change in its two components, i.e., inequality and the number of firms. This relationship
proves to be valid for the whole set of Hannah-Kay concentration indices, and embodies as particular cases some others previously
found in the literature.
We are particularly grateful to Emilio Cerdá for helpful comments on the mathematical formulation of the paper. The second
author also acknowledges support through the European Commission Project #ERBCHRXCT980248. 相似文献
7.
Oscar Alfranca Joan Oca Lourdes Reig 《International Advances in Economic Research》2004,10(2):150-158
The objective of this paper is to estimate the dynamics of aquaculture and fish prices as a response to price shocks. The
vector autoregression approach will be used to explain the dynamics of the sea bream market in both cultured and wild fishing.
The main result is that changes in public regulation or in production conditions could stimulate production responses which
may take time to settle. Usually, the change is a matter of adjusting between equilibria over a period of time, with the pattern
and speed of the adjustment, depending on the nature and degree of disequilibrium in the fishing system.
Comments from reviewers have been incorporated into the paper and are gratefully acknowledged. Financial support was provided
by Direcció General de Recerca, Departament d'Universitats, Recerca i Societat de la Informació project No SGR2001-160. 相似文献
8.
Summary The uniform rule is considered to be the most important rule for the problem of allocating an amount of a perfectly divisible good between agents who have single-peaked preferences. The uniform rule was studied extensively in the literature and several characterizations were provided. The aim of this paper is to provide two different formulations and corresponding axiomatizations of the uniform rule. These formulations resemble the Nash and the lexicographic egalitarian bargaining solutions; the corresponding axiomatizations are based on axioms of independence of irrelevant alternatives and restricted monotonicity.The authors are grateful to Jeffrey Banks, Steve Ching, Vincent Feltkamp, Bezalel Peleg, Sang-Young Sonn, William Thomson and an anonymous referee for helpful comments. 相似文献
9.
Oscar Alfranca 《International Advances in Economic Research》2005,11(2):201-213
The objective of this paper is to present econometric evidence of the effects of economic incentives, public policies, and institutions on national aggregate private agricultural R&D investments. The main hypothesis we will test in this paper is whether agricultural R&D spillovers represent a disincentive for national private R&D. More specifically, we will test if the spillovers function, which is a determinant of private R&D, follows a quadratic form and if private R&D is determined by the role of incentives and institutions.A previous draft of this paper was presented at the 57th International Atlantic Economic Conference, Lisbon, Portugal, 10–14 March 2004. Comments from participants have been very useful to improve the paper. 相似文献
10.
Oscar Fisch 《Regional Science and Urban Economics》1981,11(2):157-173
One of the purposes of this paper is to contribute to the ongoing efforts to formulate a mathematical framework for a general theory of movement. It shows that in a particular model, and from a different perspective and a slight reinterpretation, Alonso's seminal articulation holds. 相似文献