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71.
Bruce Ian Carlin Bhagwan Chowdhry Mark J. Garmaise 《Journal of Financial Intermediation》2012,21(2):268-286
We study a firm’s investment in organization capital by analyzing a dynamic model of language development and intrafirm communication. We show that firms with richer internal language (i.e., more organization capital) have lower employee turnover, and higher diversity in skill and wages among incumbents who are promoted from within the firm. Our results also suggest that firms in rapidly changing industries are less likely to invest in organization capital, and are more likely to have high managerial turnover. Finally, our model shows that employment protection regulations lead to more investment in organization capital but less innovation. 相似文献
72.
73.
In this paper, we examine the role played by the holders of privileged information (insiders) in stimulating trading volume which adds explanatory power to a price-based model of returns in a market where the actions of insiders can be isolated – a pari-mutuel betting market. We conduct conditional logit analyses based on data relating to 19,164 horses running in 2078 races (49 racetracks) staged across the UK between 1 June and 31 August 1996. These analyses indicate that prices generally fail to incorporate fully information contained in trading volumes. However, the betting public fully discounts volume information in markets most commonly viewed as attracting bets from insiders. Isolation of the actual degree of insider activity sheds light on the variation in volume effects. 相似文献
74.
Bayesian averaging,prediction and nonnested model selection 总被引:1,自引:0,他引:1
This paper studies the asymptotic relationship between Bayesian model averaging and post-selection frequentist predictors in both nested and nonnested models. We derive conditions under which their difference is of a smaller order of magnitude than the inverse of the square root of the sample size in large samples. This result depends crucially on the relation between posterior odds and frequentist model selection criteria. Weak conditions are given under which consistent model selection is feasible, regardless of whether models are nested or nonnested and regardless of whether models are correctly specified or not, in the sense that they select the best model with the least number of parameters with probability converging to 1. Under these conditions, Bayesian posterior odds and BICs are consistent for selecting among nested models, but are not consistent for selecting among nonnested models and possibly overlapping models. These findings have important bearing for applied researchers who are frequent users of model selection tools for empirical investigation of model predictions. 相似文献
75.
Abstract This paper presents a model for examining the effect of various relationships between mortality rates and lapse rates on the mortality experience of a cohort of insured lives. The approach is individual rather than the aggregate traditionally used in analyzing selective lapsation. The model assumes that insured lives are healthy at policy issue, but later may move to an impaired state from which the lapse rate is zero. Associated with each insured is an unobservable “risk level” random variable, which reflects the heterogeneity of the insured group. Individual mortality and lapse rates are functions of the risk level. A numerical illustration provides some interesting results obtained by using this model. 相似文献
76.
The role of a business school and form of management education in any country must depend on the specific role of management in the economy. This, in turn, depends on the milieu or business ambience in which management must operate. A set of types of milieu can be distinguished for ASEAN countries which form a sequence approximately correlated with the process of modernisation. The different tasks and required traits for management in the various milieus are discussed and some implications for management schools and education noted. 相似文献
77.
Bruce N. Lehmann 《Review of Quantitative Finance and Accounting》1993,3(3):263-282
In a Modigliani-Miller world, dividend policy is irrelevant for asset pricing. This article searches for cash flows with two
characteristics: like dividends, asset prices can be calculated from their present values and, unlike dividends, they are
invariant with respect to changes in dividend policy. Segmented and aggregate residual income measures with these features
are identified under two assumptions: dividend policy does not alter risk premiums and income earned from investments associated
with dividend policy includes unrealized capital gains and losses. The results hold for otherwise arbitrary risk premiums
in the general no-arbitrage approach to the valuation of uncertain income streams. 相似文献
78.
Diminishing marginal utility (DMU) is neither necessary nor sufficient for downward-sloping demand. Yet, upper-division undergraduate and beginning graduate students often presume otherwise. This paper provides two simple counter-examples that can be used to help students understand that the Law of Demand does not depend on DMU. The examples are accompanied with the geometry and basic mathematics of the utility functions and the implied ordinary/Marshallian demands. 相似文献
79.
Success factors for collaborative product development: a study of suppliers of information and communication technology 总被引:1,自引:0,他引:1
It is apparent that more and more organizations are embarking on collaborative ventures to develop products. This is particularly evident in Information and Communication Technology (ICT) sectors, so much so that part of the 'received wisdom' of ICT companies is that collaboration is the preferred route for product development. The benefits of collaboration have been well documented and are linked to the complexity and costliness of product development and the need for inputs from wide and varied areas of expertise as well as shorter lead times for product development. But the risks and costs of collsborative product development have been less well defined. In this paper, it is argued that the alleged rewards of collaboration may not be experienced in practice and that collaboration can lengthen the product development process, add to the cost of product development and prove difficult to control. However, management practice can facilitate the effective outcome of collaborative product development and the critical factors affecting the likelihood of successful management practice are presented here. 相似文献
80.
Bruce Yandle 《American journal of economics and sociology》1984,43(3):323-332
Abstract . Application of the land value tax has been described for many natural resources. However, the problems encountered with flowing underground resources have not been fully discussed. Groundwater is one such flowing resource that affects the value of surface land. The underground water is also subject to its own market forces. If a Georgist tax is to be applied to groundwater or to land affected by it, the administrator of the tax must consider the interplay that occurs between the two resource markets. A system of separable property rights to the two resources offers the prospect for efficient use. But the monitoring of ground water use must accompany such a separation. 相似文献