We propose a new approach to portfolio optimization by separating asset return distributions into positive and negative half-spaces. The approach minimizes a so-called Partitioned Value-atRisk (PVaR) measure by using half-space statistical information. Using simulated and real data, the PVaR approach generates better risk-return tradeoffs in the optimal portfolios when compared to Markowitz mea...

BACKGROUND Stand Against Cancer (SAC) is a long-running, community-based, organization-led program that addresses breast and cervical cancer disparities. Managed by Access Community Health Network (ACCESS), ongoing program evaluation reports on program performance over 5 years and public health implications. OBJECTIVES To reduce disparities by making free cancer screening readily accessible t...

The effect of national quality awards on the market value of the award-winning companies is an ongoing study in many countries, but relevant studies are difficult to find in Taiwan. This study empirically examines the market valuation of firms that undergo effective quality improvement programs (sometimes referred to as Total Quality Management or TQM). We use the Taiwan National Quality Award ...

The Covid-19 pandemic based on Presidential Decree Number 12 of 2020 was declaredon April 13, 2020. During this Pandemic, many companies offer their shares to the public or known as Initial Public Offering (IPO). This study aims find out highest abnormal returns issuers' stock after IPO during Pandemic. sample used in 70 that IDXafter status declared Indonesia, namely from 15, 2020-November 25,...

How does the difference in financing influence M&As’ effects on businesses banking industry? Case study method is applied to evaluate two deals, which are BB&T & SunTrust and KeyCorp First Niagara Financial Group (one all-equity financed one cash equity financed). It concluded that 1) activity increase market share, financial performance, shareholders’ abnormal return; 2) affect impacts of M&As...


 This study was conducted with the aim of seeing difference in trading volume activity (TVA) and abnormal stock returns before after split on issuers listed Indonesia Stock Exchange for 2019-2022 period. research uses a quantitative approach, type being an event study. The analysis period carried out observation 5 days split, 1 day so that number periods 11 days. population this 380, whil...