This study was motivated by the poor performance of the current models used in stock return forecasting and aimed to improve the accuracy of the existing models in forecasting future stock returns. The current literature largely assumes that the residual term used in the existing model is white...

This paper aims to study the recent increase in the spread of refined-crude petroleum prices in the US. We analyze the evolution of crude oil prices, refining costs, distribution costs, and taxes, comparing the pre and post covid periods. Fractional integration and cointegration methodologies...

Purpose: Given the severity and the length of the crisis caused by the COVID-19 pandemic, information on the financial impact of the pandemic becomes useful to enterprises who wish to arm themselves with strategies and policies, designed to combat the effects of similar crises. Such information...