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61.
I use Easley and O’Hara's [1992, Journal of Finance 47, 577–604] private information-based trading variable, PIN, together with a comprehensive public news database to empirically measure the effect of private and public information on the post-announcement drift. I show that stocks associated with high PIN, consensus public news surprises, and low media coverage experience low or insignificant drift. Thus not all information acquisition variables have the same effect on the market's efficiency. Whether information is public or private is irrelevant; what matters is whether information is associated with the arrival rate of informed or uninformed traders. 相似文献
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Aníbal N. Cassanelli Gonzalo Fernandez-Sanchez Maria Clara Guiridlian 《R&D Management》2017,47(2):277-287
In this paper, it is analyzed the hypothesis that in R&D the principal researcher (PR) is accepted as the coordinator or project manager (PM), carrying out the search for financing and to manage contracts, resources, cost, time, scope, risk and uncertainty, communication, stakeholders and so on, in addition to internal research activities. Thus, this study tries to verify this hypothesis through a major literature review in different types of projects developed by university, but also with a look to industry and industry-university cooperation. Two case studies are also analyzed, centered in its R&D project management maturity level. It is concluded that there is an important issue in projects’ success and in the time spent by PR in management, work for which they are under trained; while at the industry there is a greater approach to project management by the proximity of the innovation projects to other industrial projects. Following these initial findings and according to the case study results, it is proposed that R&D Projects in universities would be separated into two synergistic knowledge areas: R&D Management and Project Management. It is also recommended to allocate them to two distinct roles, where they could add value to R&D through their better knowledge and skills. 相似文献
64.
We analyze the voting behavior of a small committee that has to approve or reject a project proposal whose return is uncertain. Members have diverse preferences: some of them want to maximize the expected value, while others have a bias towards project approval and ignore their information on the project value. We focus on the most efficient use of scarce information when members cannot communicate prior to voting, and we provide insights on the optimal composition of the committee. Our main result is that the presence of biased members can improve the voting outcome, by simplifying the strategies of unbiased members. Thus, committees with diverse members perform as well as homogeneous committees, and even better in some cases. In particular, when value-maximizing members outnumber biased members by one vote, the optimal equilibrium becomes unique. 相似文献
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Eva Reinares-Lara Josefa D. Martín-Santana Clara Muela-Molina 《Journal of Global Marketing》2013,26(1):15-28
ABSTRACTThe authors analyze how a spokesperson's accent influences his or her credibility and its dimensions in the field of radio advertising. Two versions of a radio program were designed in which an ad hoc radio spot was inserted into a commercial block (standard accent [SA] versus local accent [LA]) that was tested on a sample of 987 radio listeners. The findings have implications for the spokesperson selection, given that the effect of accent on credibility depends on the listeners’ perception of their own accent and on accent stigmatization. Moreover, the SA obtains the highest evaluations of credibility. 相似文献
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We consider an extension of the standard Rubinstein model where both players are randomly allowed to leave the negotiation
after a rejection, in which case they obtain a payoff of known value. We show that, when the value of the outside opportunities
is of intermediate size, there exist a continuum of subgame-perfect equilibrium outcomes, including some with delayed agreements.
Considering outside opportunities of significant value, we prove that efficient delays arise caused by the bargainers' aspirations,
in waiting for their outside, option rather than by threats. Moreover, if taking the outside option decreases the probability
that the opponent receives an outside option in the future, then it is possible that exactly two equilibrium payoffs coexist.
In this latter case, inefficiencies may be created by agreeing too early. 相似文献