快速启动完美团队

搭建组织的人才舰队,并不一定需要眼光向外、重金挖角,其实从公司内部着手,最大限度地利用现有的人才,不仅见效更快,而且也许可以为公司带来超乎想象的巨大价值。     

Optimal investment and pricing in the presence of defaults

We consider the optimal investment problem with random endowment in the presence of defaults. For an investor with constant absolute risk aversion, we identify the certainty equivalent, and compute prices for defaultable bonds and dynamic protection against default. This latter price is interpreted as the premium for a contingent credit default swap, and connects our work with earlier articles, where the investor is protected upon default. We consider a multiple risky asset model with a single default time, at which point each of the assets may jump in price. Investment opportunities are driven by a diffusion X taking values in an arbitrary region . We allow for stochastic volatility, correlation, and recovery; unbounded random endowments; and postdefault trading. We identify the certainty equivalent with a semilinear parabolic partial differential equation with quadratic growth in both function and gradient. Under minimal integrability assumptions, we show that the certainty equivalent is a classical solution. Numerical examples highlight the relationship between the factor process, market dynamics, utility‐based prices, and default insurance premium. In particular, we show that the holder of a defaultable bond has a strong incentive to short the underlying stock, even for very low default intensities.     

Value Orientations, Income and Displacement Effects, and Voluntary Contributions

Identifying the value orientations of subjects participating in market or non-market decisions by having them participate in a ring game may be helpful in understanding the behaviour of these subjects. This experiment presents the results of changes in the centre and the radius of a value orientations ring in an attempt to discover if the measured value orientations exhibit income or displacement effects. Neither significant income effects nor displacement effects are identified. An external validity check with a voluntary contribution game provides evidence that value orientations from rings centred around the origin of the decision-space explain significant portions of voluntary contributions while value orientations from displaced rings do not.     

Finance and growth in Africa: The broken link

While bank liabilities in Sub-Saharan Africa are found to follow (but not lead) economic growth, the link between bank credit and growth is altogether absent.     

Materialism through the eyes of Polish and American consumers

The research applies the Material Values Scale (MVS; Richins and Dawson, 1992) cross-culturally by comparing materialism among Polish and American business students. Cultural differences (e.g., greater humanistic/collectivistic/Christian values in Poland) suggest lower MVS scores for Poles than for Americans. This prediction is consistent with the Local Culture hypothesis (i.e., that a strong local culture results in maintenance of traditional values in defense against global forces). Contrary to predictions, data suggest no Polish-American materialism differences, a finding consistent with the globalization hypothesis (i.e., increasing globalization leads to relatively uniform worldwide materialism). As a precursor to hypotheses testing, confirmatory factor analysis (CFA) tests the construct validity and cross-cultural validity of the MVS. The findings suggest substantial difficulties with the scale that limit the confidence in conclusions based on the scale. Based on these findings, future research discussion aims at developing a measure of materialism with potentially greater construct validity for cross-cultural applications.