Results 21 to 30 of about 6,021,352 (188)

Antiretroviral therapy and early mortality in South Africa

Bulletin of the World Health Organization
OBJECTIVE: To describe province-wide outcomes and temporal trends of the Western Cape Province antiretroviral treatment (ART) programme 5 years since inception, and to demonstrate the utility of the WHO monitoring system for ART.
Andrew Boulle, Peter Bock, Meg Osler, Karen Cohen, Liezl Channing, Katherine Hilderbrand, Eula Mothibi, Virginia Zweigenthal, Neviline Slingers, Keith Cloete, Fareed Abdullah   +10 more
doaj   +1 more source

Volatility return intervals analysis of the Japanese market [PDF]

, 2007
We investigate scaling and memory effects in return intervals between price volatilities above a certain threshold $q$ for the Japanese stock market using daily and intraday data sets. We find that the distribution of return intervals can be approximated
Black, Bunde, Bunde, Bunde, Corral, Cox, Ding, Engle, Engle, F. Z. Wang, Gabaix, Gopikrishnan, Granger, H. E. Stanley, H.-T. Moon, Harris, Kaizoji, Kaizoji, Lillo, Liu, Livina, Mandelbrot, Mantegna, Matteo, Ord, Pagan, Plerou, Plerou, S. Havlin, Sazuka, Scalas, Scalas, Schwert, Stephens, T. Kaizoji, Takayasu, Tsallis, W.-S. Jung, Wang, Weber, Yamasaki   +40 more
core   +3 more sources

Research on soil bacterial community assembly and function under different straw returning practices in arid and semi-arid agricultural ecosystems over multiple years

Frontiers in Microbiology
IntroductionStraw return has gained attention for its potential to improve soil quality and crop yields, particularly in semi-arid regions like the Tumu Chuan Plain Irrigation Area.
Rui-Zhi Liu, Rui-Zhi Liu, Rui-Zhi Liu, Xiao-Ya Zhao, Xiao-Ya Zhao, Xiao-Ya Zhao, Biao Feng, Biao Feng, Biao Feng, Wen-Shan Zhao, Wen-Shan Zhao, Wen-Shan Zhao, Ming-Yu Li, Ming-Yu Li, Ming-Yu Li, Xiao-Fang Yu, Xiao-Fang Yu, Xiao-Fang Yu, Shu-Ping Hu, Shu-Ping Hu, Shu-Ping Hu, Rui-Ping Li, Rui-Ping Li, Rui-Ping Li, Ju-Lin Gao, Ju-Lin Gao, Ju-Lin Gao, Qinggeer Borjigin, Qinggeer Borjigin, Qinggeer Borjigin   +29 more
doaj   +1 more source

Corporate governance and capital asset pricing models / Modelos de precificação de ativos financeiros e governança corporativa

RAM. Revista de Administração Mackenzie, 2020
Purpose: This study aimed to analyze the inclusion of corporate governance in the explanation of Fama and French’s (1993, 2015) three and five-factor asset pricing models.
Alyne C. S. Ganz , Josiane O. Schlotefeldt , Moacir M. Rodrigues Junior   +2 more
doaj   +1 more source

Peramalan Return Saham Menggunakan Model Integrated Moving Average

Jambura Journal of Mathematics, 2023
A popular investment that is in great demand among investors is stocked. Stocks are another type of financial instrument offering returns but carrying a higher risk level. Price time series are more difficult to manage than return time series.
Rizki Apriva Hidayana, Budi Nurani Ruchjana   +1 more
doaj   +1 more source

Investment Portfolio Optimization of Mean-Entropic-VaR Model on the Top Ten Stocks from LQ45 in the Indonesian Capital Market

Cauchy: Jurnal Matematika Murni dan Aplikasi
In an investment portfolio, investors certainly choose a portfolio according to their preferences for return and risk. The problem is the allocation of investment weights in forming a portfolio, if the risk is in the form of Entropic-Value-at-Risk (EVaR).
Nurnisaa binti Abdullah Suhaimi, Herlina Napitupulu, Sukono Sukono   +2 more
doaj   +1 more source

Return Migration

Online Readings in Psychology and Culture, 2016
This article aims to present an overview of the literature on return migration. Through combining the perspectives of various disciplines, notably economy, sociology, and psychology, the main theoretical issues, studies and findings in the field of remigration are presented.
Kunuroglu, Filiz, van de Vijver, Fons, Yagmur, Kutlay   +2 more
openaire   +4 more sources

Nonconcentration of return times

, 2013
We show that the distribution of the first return time $\tau$ to the origin, v, of a simple random walk on an infinite recurrent graph is heavy tailed and nonconcentrated.
Gurel-Gurevich, Ori, Nachmias, Asaf
core   +1 more source

Returning Home [PDF]

Cell, 2007
Returning to one's home country after many years abroad is a life-changing decision that brings with it many challenges, but at the same time, many rewards.
openaire   +2 more sources

Radiative return at e+e- factories [PDF]

, 2002
The energy dependence of the electron - positron hadronic cross section can be measured not only by a straightforward energy scan, but also by means of the radiative return method.
Bennett, Bennett, Berends, Berends, Berends, Binner, Brown, Brown, Burkhardt, Burkhardt, Czyż, Davier, Decker, Denig, Eidelman, Erler, Germán Rodrigo, Henryk Czyż, Hughes, Johann H. Kühn, Khoze, Kühn, Kühn, Melnikov, Narison, Rodrigo, Rodrigo, Rodrigo, Rodrigo, Solodov, Spagnolo   +30 more
core   +2 more sources