Results 111 to 120 of about 3,945,236 (308)

Serial and cross-correlation in the Spanish Stock Market returns [PDF]

open access: yes
In this paper, we test if stock index prices follow random walks in the Spanish Stock Market by means of variance ratios. We find strong evidence of positive autocorrelation for both IGBM and IBEX35 daily returns until 1977, but not after that date ...
Luis A. Gil-Alana, Javier DePeña
core  

Autonomous AI‐Driven Design for Skin Product Formulations

open access: yesAdvanced Intelligent Discovery, EarlyView.
This review presents a comprehensive closed‐loop framework for autonomous skin product formulation design. By integrating artificial intelligence‐driven experiment selection with automated multi‐tiered assays, the approach shifts development from trial‐and‐error to intelligent optimisation.
Yu Zhang   +5 more
wiley   +1 more source

Smooth Transition Regression Models in UK Stock Returns [PDF]

open access: yes
This paper models UK stock market returns in a smooth transition regression (STR) framework. A variety of financial and macroeconomic series are employed that are assumed to influence UK stock returns, namely GDP, interest rates, inflation, money supply ...
Nektarios Aslanidis
core  

A critical analysis of using stock market Past returns as a forecasting determinant of stock market liquidity in Vietnam

open access: yesJournal of International Economics and Management, 2013
This paper examines the causal relationship between stock market past returns and stock market liquidity in Vietnam. This research employs time series analysis and ARCH models to analyze daily, weekly and monthly data obtained from Vietnamese stock ...
Minh Phuong Nguyen
doaj  

Cross‐Sectoral AI Integration Is Essential to Tackling Food Waste and Food Insecurity: A Roadmap for Developing Resilient Food Systems

open access: yesAdvanced Intelligent Systems, EarlyView.
As food insecurity and global food demands surge, artificial intelligence (AI)‐based technologies offer promising opportunities to reduce food loss and waste. In this perspective, current AI adoption across the food supply chain is assessed using various academic, industry, and policy sources.
Akansha Prasad   +5 more
wiley   +1 more source

Empirical Risk Factors in Realized Stock Returns [PDF]

open access: yes
Measuring risk in the stock market context is one of the key challenges of modern finance. Despite of the substantial significance of the topic to investors and market regulators, there is a controversy over what risk factors should be used to price the ...
Dalibor Petr, Jiri Novak
core  

Sensitivity to changes in oil prices, tax returns and the cross-section of stock returns: The present situation for net-oil exporting economies

open access: yesHeliyon
This study investigates the sensitivity of stock returns to changes in oil prices and tax returns in net-oil exporting economies, focusing on the Gulf Cooperation Council (GCC) countries from March 30, 2003 to March 30, 2022.
Qingjing Lou   +2 more
doaj   +1 more source

Do investors herd with industries or markets? Evidence from Pakistan stock exchange

open access: yesCogent Economics & Finance, 2019
This study investigates investors’ herd behavior at market and industry level in Pakistan stock exchange (PSX). The novel contribution of this study is the incorporation of stock trading volume to explore the herding behavior laterally with daily stock ...
Ume Salma Akbar   +2 more
doaj   +1 more source

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