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11.
This paper develops a continuous time risk-sensitive portfolio optimization model with a general transaction cost structure
and where the individual securities or asset categories are explicitly affected by underlying economic factors. The security
prices and factors follow diffusion processes with the drift and diffusion coefficients for the securities being functions
of the factor levels. We develop methods of risk sensitive impulsive control theory in order to maximize an infinite horizon
objective that is natural and features the long run expected growth rate, the asymptotic variance, and a single risk aversion
parameter. The optimal trading strategy has a simple characterization in terms of the security prices and the factor levels.
Moreover, it can be computed by solving a {\it risk sensitive quasi-variational inequality}. The Kelly criterion case is also
studied, and the various results are related to the recent work by Morton and Pliska.
Mansucript received: July 1998; final version received: January 1999 相似文献
12.
In this paper we derive a closed-form solution for a representative investor who optimally allocates her wealth among the
following securities: a credit-risky asset, a default-free bank account, and a stock. Although the inclusion of a credit-related
financial product in the portfolio selection is more realistic, no closed-form solutions to date are given in the literature
when a recovery value is considered in the event of a default. While most authors have assumed some recovery scheme in their
initial model set up, they do not address the portfolio problem with a recovery when a default actually occurs. Given the
tractability of the recovery of market value, we solved the optimal portfolio problem for the representative investor whose
utility function is a Constant Relative Risk Aversion utility function.
We find that the investor will allocate larger fraction of wealth to the defaultable security as long as the default-event
risk is priced. These results are very intuitive and reasonable since it indicates that if the default risk premium is not
priced properly the investor purchases less defaultable securities. 相似文献
13.
14.
We explore the country-specific institutional characteristics likely to influence an individual’s decision to become an entrepreneur. We focus on the size of the government, on freedom from corruption and on “market freedom” defined as a cluster of variables related to protection of property rights and regulation. We test these relationships by combining country-level institutional indicators for 47 countries with working-age population survey data taken from the Global Entrepreneurship Monitor. Our results indicate that entrepreneurial entry is inversely related to the size of the government, and more weakly to the extent of corruption. A cluster of institutional indicators representing “market freedom” is only significant in some specifications. Freedom from corruption is significantly related to entrepreneurial entry, especially when the richest countries are removed from the sample, but unlike the size of government, the results on corruption are not confirmed by country-level fixed-effects models. 相似文献
15.
16.
Peter Snyder Molly Hall Joline Robertson Tomasz Jasinski Janice S. Miller 《Journal of Business Ethics》2006,63(4):371-383
In this paper, we present an ethical and strategic approach to managing organizational crises. The proposed crisis management
model (1) offers a new approach to guide an organization’s strategic and ethical response to crisis, and (2) provides a two-by-two
framework for classifying organizational crises. The ethically rational approach to crisis draws upon strategic rationality,
crisis, and ethics literature to understand and address organizational crises. Recent examples of corporate crises are employed
to illustrate the theoretical claims advanced. Finally, the paper provides guidelines for a morally optimal outcome for the
organization and its stakeholders.
Peter Snyder is a Ph.D. student in Organizations and Strategic Management at the University of Wisconsin-Milwaukee. His research
interests include strategy making and corporate governance.
Molly Hall is an attorney who practices international and environmental law in Milwaukee, Wisconsin. She teaches adjunct courses
in business ethics, environmental policy, and the European Union.
Joline Robertson is a Ph.D. candidate in Organizations and Strategic Management at the University of Wisconsin-Milwaukee.
Her research interests include international business.
Tomasz Jasinski is a Ph.D. student in Organizations and Strategic Management at the University of Wisconsin-Milwaukee. His
research interests include strategic alliances.
Janice S. Miller received her Ph.D. from Arizona State Univerity in Business Administration with a concentration in Human
Resource management. She has been on the faculty at the University of Wisconsin-Milwaukee UWM since 1996 and has served as
the Associate Dean for Academic Programs in the School of Business Administration since 2002. Dr. Miller’s primary research
interests include performance management, compensation and ethical issues in organizations. 相似文献
17.
This article examines the determinants of short-term wage dynamics, using a sample of large Hungarian companies for 1996–99. We test the basic implications of an efficient contract model of bargaining between incumbent employees and managers, which the data do not reject. In particular, there are structural differences between the ownership sectors consistent with our prior knowledge on relative bargaining strength and unionisation measures. Stronger bargaining position of workers leads to higher ability to pay elasticity of wages, and lower outside option elasticity. Our results indicate that while bargaining position of workers in domestic privatised firms may be weaker than in the state sector, the more robust difference relates to state sector workers versus privatised firms with majority foreign ownership. 相似文献
18.
The paper is concerned with testing normality in samples of curves and error curves estimated from functional regression models. We propose a general paradigm based on the application of multivariate normality tests to vectors of functional principal components scores. We examine finite sample performance of a number of such tests and select the best performing tests. We apply them to several extensively used functional data sets and determine which can be treated as normal, possibly after a suitable transformation. We also offer practical guidance on software implementations of all tests we study and develop large sample justification for tests based on sample skewness and kurtosis of functional principal component scores. 相似文献
19.
This paper presents a PDE approach in a Markovian setting to hedge defaultable derivatives. The arbitrage price and the hedging strategy for an attainable contingent claim are described in terms of solutions of a pair of coupled PDEs. For some standard examples of defaultable claims, we provide explicit formulae for prices and hedging strategies. 相似文献
20.
AbstractWe use content analysis software to examine certain characteristics of communications arising from European Council meetings. These characteristics appear to explain a large proportion of variation in stock returns around the meeting dates. More specifically, stock market investors react favourably when the conclusions and declarations issued by heads of states convey a positive sentiment and demonstrate a stance of moral rectitude. On the other hand, the returns tend to be negative when the communications are obfuscated by an excessive use of abstract words and fixated on regional rather than global issues. 相似文献