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排序方式: 共有222条查询结果,搜索用时 203 毫秒
21.
This paper deals with the problem of the financial valuation of a firm and its shares of stock with general financing policies in a partial equilibrium framework. the model assumes a time-dependent discount rate and a general stochastic environment in a discrete-time setting. the fundamental valuation approach under the assumption of risk neutrality is used to obtain the time path of share price, the number of outstanding shares, and the value of the firm. These are shown to be the unique conditional expectations of certain stochastic processes. A broad class of firms for which the solution formula yields finite-valued solutions is characterized. the results are extended to the non-risk-neutral case. A regularity condition, which is both necessary and sufficient for the share price to equal the capitalization of future dividends accruing to the share, is obtained. As a mathematical aside, it is shown in the appendix that in the absence of this condition, the so-called stream of dividends approach is meaningless in the sense that it does not yield any financial valuation. 相似文献
22.
There are many direct and indirect effects of changing crude oil prices on the inflation rate, so it is not surprising that
there are different views about the resulting effects on the general price level and also on other aspects of the general
economy. This study, estimates the direct and indirect effects of oil price changes on the economy-wide rate of inflation,
which then has effects on spending and producing decisions. However, in this forum, we do not try to estimate the full indirect
effects on the level of economic activity, such as effects on real GDP.
JEL Classification E310, E370 相似文献
23.
24.
Vijay Sathe 《人力资源管理》1988,27(4):389-411
This article will first describe and analyze two very different patterns of entrepreneurship found in large American companies studied by the author. “Surface entrepreneurship” denotes the pattern of entrepreneurial activity found in companies where entrepreneurship was seen as an important business objective that management was trying to promote and accomplish. In contrast, “deep entrepreneurship” denotes the pattern found in companies where entrepreneurship was an important shared value. European firms currently being studied combine elements from these two patterns. These studies suggest the fundamental questions that must be addressed to promote entrepreneurship. Some answers in the form of recommendations to management are presented. 相似文献
25.
Marketing research procedures typically used to support new product development activities often emphasize the collection of data from potential customers, even when the product success depends on the decisions of a number of key stakeholders such as distributors, media, etc. Consequently, most conventional product introduction efforts focus on a target customer segment and ignore the needs of other stakeholders. These narrowly concentrated research efforts can lead to unfounded expectations regarding the product performance. Similarly, the lopsided focus on consumers can lead to reduced marketing effectiveness. Jerry Wind and Vijay Mahajan argue for the recognition of the process of "marketing hype," a set of prelaunch activities leading to the creation of a supportive market environment. This can lead to the creation of broader strategies that focus on the key stakeholders as subjects for new product research, and targets for the introductory marketing programs. This could lead to a richer understanding of the intergroup influences on the adoption of the new product and increase the chances of a successful new product launch. 相似文献
26.
This paper analyzes the optimal portfolio choice problem when security returns have a joint multivariate normal distribution with unknown parameters. For the case of limited, but sufficient (sample plus prior) information, we show that for a general family of conjugate priors, the optimal portfolio choice is obtained by the use of a mean-variance analysis that differs from traditional mean-variance analysis due to estimation risk. We also consider two illustrative cases of insufficient sample information and minimal prior information and show that in these cases it is asymptotically optimal for an investor to limit diversification to a subset of the securities. These theoretical results corroborate observed investor behavior in capital markets. 相似文献
27.
In this paper, we present a practical methodology for variance estimation for multi‐dimensional measures of poverty and deprivation of households and individuals, derived from sample surveys with complex designs and fairly large sample sizes. The measures considered are based on fuzzy representation of individuals' propensity to deprivation in monetary and diverse non‐monetary dimensions. We believe this to be the first original contribution for estimating standard errors for such fuzzy poverty measures. The second objective is to describe and numerically illustrate computational procedures and difficulties in producing reliable and robust estimates of sampling error for such complex statistics. We attempt to identify some of these problems and provide solutions in the context of actual situations. A detailed application based on European Union Statistics on Income and Living Conditions data for 19 NUTS2 regions in Spain is provided. 相似文献
28.
Most models of social preferences and bounded rationality that are effective in explaining efficiency‐increasing departures from equilibrium behavior cannot easily account for similar deviations when they are efficiency‐reducing. We show that the notion of sampling equilibrium, subject to a suitable stability refinement, can account for behavior in both efficiency‐enhancing and efficiency‐reducing conditions. In particular, in public goods games with dominant strategy equilibria, stable sampling equilibrium can involve the play of dominated strategies with positive probability both when such behavior increases aggregate payoffs (relative to the standard prediction) and when it reduces aggregate payoffs. The dominant strategy equilibrium prediction changes abruptly from zero contribution to full contribution as a parameter crosses a threshold, whereas the stable sampling equilibrium remains fully mixed throughout. This is consistent with the available experimental evidence. 相似文献
29.
Policy Determinants of School Outcomes under Model Uncertainty: Evidence from South Africa 下载免费PDF全文
Fabrice Murtin Thomas Laurent Geoff Barnard Dean Janse van Rensburg Vijay Reddy George Frempong Lolita Winnaar 《The South African journal of economics. Suid-afrikaanse tydskrif vir ekonomie》2015,83(3):317-334
In this paper, we assess the determinants of secondary school outcomes in South Africa. We use Bayesian model averaging techniques to account for uncertainty in the set of underlying factors that are chosen among a very large pool of explanatory variables in order to identify the subset of explanatory variables most strongly associated with the dependent variable. Our analysis indicates that the socio‐economic background of pupils, demographic characteristics such as population groups (Black and White), as well as geographical locations account for a significant variation in pupils’ achievement levels. We also find that the most robust policy determinants of pupils’ test scores are the availability of a library at school, the use of IT in the classroom as well as school climate. 相似文献
30.
Rajiv Sethi 《Games and Economic Behavior》1998,23(2):284-304
The replicator dynamics are generalized to allow for strategy-specific barriers to learning. The resulting dynamics satisfy neither payoff monotonicity nor payoff positivity, but do satisfy weak payoff positivity. It is shown that initial states from which trajectories converge to a rest point under the replicator dynamics may yield trajectories which approach a stable limit cycle under the generalized replicator dynamics. Furthermore, strategies which are strictly dominated by other pure strategies may survive indefinitely along such nonconvergent paths.Journal of Economic LiteratureClassification Numbers: C73. 相似文献