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101.
In this paper we give upper bounds for both the Value at Risk VaR α , 0 < α < 1 , and for ruin probabilities associated with the supremum of a process driven by a Brownian motion and a compound Poisson process. We obtain lower bounds for the same Value at Risk, and for different cases we discuss the behavior of the bounds for small α. We prove our bounds are "asymptotically" optimal, as α tends to zero. The ruin probabilities obtained are related to other bounds found in recent literature. 相似文献
102.
Scholarly research largely converges on the argument that trust is of paramount importance to drive economic agents toward
mutually satisfactory, fair, and ethically compliant behaviors. There is, however, little agreement on the meaning of trust,
whose conceptualizations differ with respect to actors, relationships, behaviors, and contexts. At present, we know much better
what trust does than what trust is. In this article, we present an extensive review and analysis of the most prominent articles on trust in market relationships.
Using computer-aided content analysis and network analysis methods, we identify key, recurring dimensions that guided the
conceptualization of trust in past research, and show how trust can be developed as a multifaceted and layered construct.
Our results are an important contribution to a convergence of research toward a shared and common view of the meaning of trust.
This process is important to ensure the body of trust research’s internal theoretical consistency, and to provide reliable
and common principles for the management of business relationships – a context in which opportunism and imperfect information
may induce economic actors to cheat and stray from fair and ethically compliant behaviors. 相似文献
103.
This paper is concerned with the study of insurance related derivatives on financial markets that are based on nontradable underlyings, but are correlated with tradable assets. We calculate exponential utility‐based indifference prices, and corresponding derivative hedges. We use the fact that they can be represented in terms of solutions of forward‐backward stochastic differential equations (FBSDE) with quadratic growth generators. We derive the Markov property of such FBSDE and generalize results on the differentiability relative to the initial value of their forward components. In this case the optimal hedge can be represented by the price gradient multiplied with the correlation coefficient. This way we obtain a generalization of the classical “delta hedge” in complete markets. 相似文献
104.
On the Asymmetric Recognition of Good and Bad News in France, Germany and the United Kingdom 总被引:1,自引:0,他引:1
We investigate whether accounting systems recognise bad news more promptly in earnings than good news, where news is proxied by changes in share price. The analysis is based on a sample of firm/years drawn from France, Germany, and the UK during 1990 to 1998. These three countries are the originators of three distinct legal traditions. Previous studies have argued that asymmetric recognition, one manifestation of conservative accounting, is sensitive to legal background and history. We find that in all three countries the contemporaneous association between earnings and returns is much stronger for bad news (i.e. when price changes are negative) than for good news, and although the results are strongest for the UK, and then France, the inter-country differences are not statistically significant. The stronger reaction to bad news is more pronounced for firms with relatively low capitalisation. We also find that the relative persistence of profits and losses are consistent with asymmetric recognition in France and the UK, but not in Germany, and that the more timely recognition of bad news is maintained even when we control for earnings persistence. When we extend the model to include price changes from previous periods, we see that the stronger reaction to bad news decays over time. The results from this model also suggest that 'pervasive' conservatism, unrelated to news, is observed in Germany and France, but the UK results are consistent with optimism. Although asymmetric recognition is generally strongest in the UK and weakest in Germany, and this broadly conforms to our expectations, the differences are less clear than the results from earlier periods. 相似文献
105.
Antonio Argandoña 《Journal of Business Ethics》1999,22(3):155-173
This article is an introduction to the selection of papers on "Business Ethics in Spain" included in this monographic issue of the Journal of Business Ethics. Specifically, this article is a survey of the development of the social, political, cultural and economic background of business in Spain since 1940, in order to show how the ethical values, attitudes and problems of the Spanish managers changed in these years. First, the global evolution of this background is explained, and then several relevant problems are discussed, namely those of the attitudes of business towards the State and the law (with an aside on the attitudes of society towards profit and wealth), corruption, and the grey economy, taxes, and irregular labour. The article concludes with a survey of the scientific developments of business ethics in Spain. 相似文献
106.
This study reports the results of an experiment that analyses the behavioural effect of relative performance feedback (RPF) on individual performance when compensation is based on team performance. Specifically, it investigates whether RPF affects individual performance differently when the comparison focuses on other members of that individual’s team (within-group RPF) or on other teams (between-group RPF). We predict a negative effect of within-group RPF on individual performance. We also predict that between-group RPF moderates that negative effect, since it encourages individuals to focus on group goals rather than individual goals. Consistent with our predictions, results show that the negative effect of within-group RPF on individual performance is mitigated by between-group RPF. Our results can help accountants to better understand how the effects of relative performance feedback differ according to the predominant comparison target. 相似文献
107.
108.
109.
Amy Burnett Ramesh K. S. Rao Seha M. Tiniç 《Journal of Financial Services Research》1991,5(2):143-164
This study provides some estimates of the magnitude of the subsidies extracted by S&L holding companies under the present flat-rate deposit insurance system. The results suggest that the flat-rate deposit insurance system induces substantially uneven and inequitable distribution of subsidies among thrift institutions. The analysis of the thrift institutions' asset volatilities over the 1966–1988 period does not support the claim that deregulation of the industry has led to a systematic increase in risk-taking in the industry. On the other hand, we find that a large fraction of the asset volatilities are attributable to firm-specific investment policies and that the risk of the institutions' assets change considerably over time. Taken as a whole, the results suggest that switching to a risk-based deposit insurance system would be economically more efficient than the present scheme. We provide some recommendations for policy changes that can increase the efficacy of risk-based insurance by increasing the level of monitoring by depositors and the financial markets. 相似文献
110.
In the 1980s, the Chinese regime took a number of piecemeal steps toward economic liberalization. This process accelerated
impressively in the 1990s. This paper reports an empirical study into the determinants of the emerging pattern of Chinese
trade (export and import) intensities in the liberalization decade by exploring international trade statistics for 1993 and
1999. Four models are estimated that explain the shifts in the export and import intensities of the trade with different trade
partners in the 1993–1999 period. The estimation results reveal differences for export vis-à-vis import trade intentities,
as well as for 1993 compared to 1999. For example, the political determinants of trade intensities that were still very important
in 1993 have been moved to the background by economic explanations in 1999. JEL no. F14 相似文献