A median of a k-tuple =(x1; : : : ; xk) of elements of a 0nite metric space (X; d) is an element x for which ∑k i=1 d(x; xi) is minimum. The function m with domain the set of all k-tuples with k ¿ 0 and de0ned by m( ) = {x: x is a median of } is called the median function on X . Continuing with the program of characterizing m on various metric spaces, this paper presents a characterization of t...

We integrate heterogeneity and uncertainty in investor valuations into a model of takeovers. Investors have dispersed valuations, holding shares in firms they value more highly, and a successful offer must win approval from the median target shareholder. We derive the consequences for an acquiring firm’s takeover offer—its size and cash/equity structure—and implications for takeover premia and ...

OBJECTIVES This study aimed to examine the prevalence and correlates of elder abuse reported by adult children among U.S Chinese populations. METHOD A community-based participatory research approach was implemented. A total of 548 Chinese adult children aged 21 years and over participated in this study. Elder abuse reported by adult children was assessed using Caregiver Abuse Screen (CASE). ...

Although the long-term effects of sexual abuse by men have been studied extensively, minimal research has explored the effects of sexual abuse by women. This qualitative study explores the experience and long-term impact of sexual abuse by women. The data were derived from in-depth interviews with 14 adult victims (7 men, 7 women) of child sexual abuse by females. Most respondents reported seve...

Childhood maltreatment increases the risk of subsequent depression, anxiety and alcohol abuse, but the rate of resilient victims is unknown. Here, we investigated the rate of victims that do not suffer from clinical levels of these problems after severe maltreatment in a population-based sample of 10980 adult participants. Compared to men, women reported more severe emotional and sexual abuse, ...

Background We aimed to identify the indicators of healthcare fraud and abuse in general physicians’ drug prescription claims, and to identify a subset of general physicians that were more likely to have committed fraud and abuse.   Methods We applied data mining approach to a major health insurance organization dataset of private sector general physicians’ prescription claims. It involved 5 ste...

Based on unbalanced panel dates of 4060 companies listed from 2003 2007 in Shanghai and Shenzhen Stock Markets, this paper empirically studies the degree of product market competition, the relationship between cash dividends distribution tendency and cash dividends policy. Results show that controlling shareholders have significant motivation to distribute cash dividends, and this kind of incen...

The study seeks to examine the effect of equity ownership structure on firm financial performance in South Korea. I focus on the role of two main dimensions of the ownership structure: Ownership concentration (i.e., the distribution of shares owned by majority shareholders) and identity of owners (especially, foreign investors and institutional investors). Using panel data for South Korea in 20...