Results 81 to 90 of about 333,292 (283)
Faculty development for supervisors of medical student rural attachments in Zimbabwe
African Journal of Primary Health Care & Family MedicineReflective writing and keeping portfolios during rural hospital attachments has been shown to give medical students more confidence, better communication skills and clinical competence, thereby making them stronger adult learners. The role of supervisors
Fiona Makoni, Zandile Mafi, Sunanda Ray
doaj +1 more source
Improving Portfolio Optimization by DCC And DECO GARCH: Evidence from Istanbul Stock Exchange [PDF]
In this paper, the performance of global minimum variance (GMV) portfolios constructed by DCC and DECO-GARCH are compared to that of GMV portfolios constructed by sample covariance and constant correlation methods in terms of reduced volatility.
Yilmaz, Tolgahan
core +1 more source
The Relationship Between Interest Rates and Agricultural Commodity Price Dynamics
Agribusiness, EarlyView.ABSTRACT The U.S. Federal Reserve has undertaken several interest rate interventions in the past decade. This study explores the relationship between U.S. corn and soybean prices and Federal Reserve monetary policy interventions, in the short and long run.
Zhining Sun, Ani L. Katchova
wiley +1 more source
The zero-inflated promotion cure rate model applied to financial data on time-to-default
Cogent Economics & Finance, 2017 In this paper, we extend the promotion cure rate model studied in Yakovlev and Tsodikov (1996) and Chen et al. (1999) by incorporating an excess of zeros in the modeling.
Mauro Ribeiro de Oliveira +2 more
doaj +1 more source
Agribusiness, EarlyView.ABSTRACT The penetration of information and communication technologies (ICTs) in farming communities is increasing the use of smartphone‐based instant messaging apps. Despite this, the reasons behind participation and the impact on farm productivity in developing countries remain unexplored.
Zafar Kurbanov +4 more
wiley +1 more source
Deep uncertainty in carbon dioxide removal portfolios
Environmental Research LettersDeep uncertainty about the costs and resource limits of carbon dioxide removal (CDR) options challenges the design of robust portfolios. To address this, we here introduce the CDR sustainable portfolios with endogenous cost model, a mixed-integer linear ...
Quirina Rodriguez Mendez +2 more
doaj +1 more source
Topological Properties of International Commodity Market: How Uncertainty Affects the Linkages?
Agribusiness, EarlyView.ABSTRACT The study aims to explore the network topology of the international commodity market by examining the interconnections among 21 commodity futures across various categories, including energy, precious and industrial metals, and agriculture. We analyze the market structure of these commodity futures under both low and high uncertainty conditions
Ibrahim Yagli, Bayram Deviren
wiley +1 more source
Trading Strategies Generated Pathwise by Functions of Market Weights
, 2019 Almost twenty years ago, E.R. Fernholz introduced portfolio generating functions which can be used to construct a variety of portfolios, solely in the terms of the individual companies' market weights. I. Karatzas and J.
Karatzas, Ioannis, Kim, Donghan
core +1 more source
Agribusiness, EarlyView.ABSTRACT This study sets out to investigate the prospects for raising oil palm output in sub‐Saharan Africa, particularly Ghana, without further expansion of cropland. Given global concerns about oil palm's role in deforestation and land use change, the focus is on enhancing productivity on existing farmlands.
Jacob Asravor +3 more
wiley +1 more source