Results 11 to 20 of about 254,283 (268)

Cross-correlations between volume change and price change [PDF]

open access: yes, 2009
In finance, one usually deals not with prices but with growth rates $R$, defined as the difference in logarithm between two consecutive prices. Here we consider not the trading volume, but rather the volume growth rate $\tilde R$, the difference in ...
Alexander M. Petersen   +6 more
core   +5 more sources

A new trading algorithm with financial applications

open access: yesQuantitative Finance and Economics, 2020
The gravity equation is a useful tool for trading, but also for financial services as recently found. This paper tries to adapt modern theories of gravity equation for these services to a novel theory on trading, for both bilateral and multilateral trade,
Guillermo Peña
doaj   +1 more source

Risk-averse estimates of effective properties in heterogeneous elasticity

open access: yesComptes Rendus. Mécanique, 2023
In this work, we propose a theoretical framework for computing pessimistic and optimistic estimates of effective properties in the case of heterogeneous elastic materials with uncertain microscopic elastic properties.
Bleyer, Jeremy
doaj   +1 more source

Monte Carlo simulation of uncoupled continuous-time random walks yielding a stochastic solution of the space-time fractional diffusion equation [PDF]

open access: yes, 2008
We present a numerical method for the Monte Carlo simulation of uncoupled continuous-time random walks with a Levy alpha-stable distribution of jumps in space and a Mittag-Leffler distribution of waiting times, and apply it to the stochastic solution of ...
A. I. Saichev   +17 more
core   +2 more sources

The Research of SEIJR Model With Time-Delay Based on 2019-nCov

open access: yesIEEE Access, 2021
A global epidemic disease known as the novel coronavirus (2019-nCov) had seriously hit the most area around the whole world causing unpredictable loss of manpower and finance during the past year.
Siyi Sun, Yangping Zheng
doaj   +1 more source

Measuring Learner’s Subject Specific Knowledge

open access: yesJe-LKS: Journal of E-Learning and Knowledge Society, 2015
This was the second phase in a research project designed to compare student achievement in online and face-to-face classes. The aim of this phase was to determine if online and face-to-face students demonstrate different levels of knowledge in six ...
John Girard, Tina Ashford, Pedro Colón
doaj   +1 more source

The Linkages Between Investments in Innovation and Business Performance in Serbia

open access: yesManagement, 2020
Motivation: Driven by an increasingly competitive marketplace, the savviest businesses invest heavily in corporate innovation as a kind of competitive intelligence that gives a business what it needs to operate with poise and precision.
Nebojsa Zakic   +2 more
doaj   +1 more source

Evaluating Greek equity funds using data envelopment analysis [PDF]

open access: yes, 2009
This study assesses the relative performance of Greek equity funds employing a non-parametric method, specifically Data Envelopment Analysis (DEA). Using an original sample of cost and operational attributes we explore the e¤ect of each variable on funds'
A Charnes   +33 more
core   +3 more sources

Factors affecting the completion of public-private partnership (PPP) projects: Case study of Ho Chi Minh City

open access: yesTạp chí Khoa học Đại học Mở Thành phố Hồ Chí Minh - Kinh tế và Quản trị kinh doanh, 2020
Public-private partnership is one of the best solutions to help save the government budget, develop the infrastructure and improve the quality of public services and has become a popular research topic in developed countries.
Hồ Việt Anh
doaj   +1 more source

The Impact of Strategic Corporate Social Responsibility on Tax Avoidance via Job Meaningfulness and the Mediating Role of Ethical Leadership [PDF]

open access: yesIranian Journal of Accounting, Auditing & Finance, 2022
The purpose of this research is to examine the impact of strategic corporate social responsibility on work meaningfulness and tax avoidance through ethical leadership.
Maryam Ghadakforoushan   +2 more
doaj   +1 more source

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