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排序方式: 共有87条查询结果,搜索用时 109 毫秒
1.
Browning G 《National journal》1993,25(34-35):2083-2086
Critics within and outside the National Institutes of Health say that NIH's central administration is hostile and defensive and needs to be shaken up. They hope a new director will do just that. 相似文献
2.
In this paper we exploit the specific structure of the Euler equation and develop two alternative GMM estimators that deal explicitly with measurement error. The first estimator assumes that the measurement error is log‐normally distributed. The second estimator drops the distributional assumption at the cost of less precision. Our Monte Carlo results suggest that both proposed estimators perform much better than conventional alternatives based on the exact Euler equation or its log‐linear approximation, especially with short panels. An empirical application to the PSID yields plausible and precise estimates of the coefficient of relative risk aversion and the discount rate. Copyright © 2008 John Wiley & Sons, Ltd. 相似文献
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We employ a regression‐discontinuity design to identify effects on educational attainment after compulsory school of class size and the number of pupils per weekly teacher hour using administrative rules as instruments. We use Danish administrative panel data. Average class size is 20, about the same as in the US and most European countries. Restricting the sample to observations close to the enrolment discontinuity points where the administrative rules have greatest predictive power, instrumental variables estimates are consistently negative. Estimates from the preferred specification are marginally significant and indicate modest effects in line with earlier studies. Estimates for subgroups are less precise, but they indicate larger effects for pupils from less advantaged backgrounds. 相似文献
5.
We examine demand behaviour for intertemporal dependencies, using Spanish panel data. We present evidence that there is both state dependence and correlated heterogeneity in demand behaviour. Our specific findings are that food outside the home, alcohol and tobacco are habit forming, whereas clothing and small durables exhibit durability. We conclude that demand analyses using cross‐section data that ignore these effects may be seriously biased. On the other hand, the degree of intertemporal dependence is not sufficiently strong to make composite ‘consumption’ significantly habit forming, as has been suggested in some recent analyses. Copyright © 2007 John Wiley & Sons, Ltd. 相似文献
6.
The role of strategic enterprise risk management and organizational flexibility in easing new regulatory compliance 总被引:1,自引:0,他引:1
Vicky Arnold Tanya Benford Joseph Canada Steve G. Sutton 《International Journal of Accounting Information Systems》2011,12(3):171-188
The impact of new regulatory requirements for internal control reporting on an organization's ability to maintain strategic flexibility has been debated in the popular press extensively. This paper tests theory from strategic management to examine the relationship between an organizations' pre-regulatory strength of strategic enterprise risk management (ERM) processes and their ability to react to new regulatory mandates. In the context of companies' adoption of SOX Section 404 internal control reporting requirements, we examine organizations' pre-SOX ERM processes, ERM supporting technologies, and organizational flexibility in order to better understand the antecedents to the difficulty encountered in meeting SOX 404 requirements. Using responses from 113 Chief Audit Executives (CAEs), we find that organizations with stronger strategic ERM processes and flexible organizational structures already in place incurred little difficulty in implementing SOX 404 mandates. On the other hand, organizations using weaker ERM processes, which focused on control compliance, experienced more difficulty. These findings provide key insights into the importance of strategic ERM in effectively complying with new regulatory controls in volatile environments. 相似文献
7.
Roles, role performance, and radical innovation competences 总被引:1,自引:0,他引:1
Vicky Story Lisa O'Malley Susan HartAuthor vitae 《Industrial Marketing Management》2011,40(6):952-966
Despite the importance of radical innovations (RI), few firms have the capability to develop such innovations internally; success is increasingly linked with relationships and networks. However, the way(s) in which relationships and networks support RI is less clear. Successfully launching RIs requires the development of four distinctive competences; discovery, incubation, acceleration and commercialization. This paper examines how networks support the development of RIs, focusing on when and how network partners become involved and how their role performances support the development of the four competences. The study context is the automotive industry, which is heavily dependent upon RI and complex interrelationships. Data were collected through in-depth interviews with network participants involved in developing several RIs. Five task-oriented and three network-oriented roles are uncovered and the performance of these roles supports the development of different competences, with some roles being exclusively connected with particular competences and others supporting several competences. Focusing on role performance offers a useful means for distinguishing between acontextual actors, and the activities and resources they bring. In doing so, the paper enhances understanding of the links between network participants, role performances and the development of RI competences, and identifies a number of important implications for theory and practice. 相似文献
8.
This paper presents some results on the theory and estimation of intertemporal allocation mechanisms. The results rely heavily on the distinction between anticipated changes and unanticipated changes. 相似文献
9.
Martin J Browning 《Journal of Comparative Economics》1982,6(3):235-247
Conditions are examined under which we can ensure efficiency in a fixed-membership labor-managed firm when the preferences of members over labor and income are unknown. The main result is the derivation of a necessary and sufficient condition on technology that ensures that we can find some reward scheme that gives efficient outcomes. Some commonly suggested reward schemes are examined and it is shown that assumptions that have been used to simplify previous analysis are, in fact, critical to many of the results that have been obtained. 相似文献
10.
Michael?J.?SeilerEmail author Vicky?L.?Seiler 《The Journal of Real Estate Finance and Economics》2005,31(3):319-330
This study introduces new domestic mixed-asset and international equity securities that allow for exact portfolio replication even by small U.S. retail investors. Using these new series, various return characteristics are examined. Finally, three sets of mean-variance analyses are conducted: a domestic equity sector-only portfolio, a domestic mixed-asset portfolio, and an international mixed-asset portfolio. Real estate warrants inclusion to varying degrees in all three portfolios. International equity inclusion was also demonstrated. 相似文献