This study aims to address the common issue of biased estimation errors in time series modeling by analyzing the error in locating ideal hyperparameters and defining appropriate validation methods. Specifically, it focuses on predicting the stock price of Bank Rakyat Indonesia using a...

This study analyzes the spillover effects of economic and political uncertainty from advanced, emerging and low-income economies on stock returns in Vietnam based on a firm-level approach. After controlling for firm-level and country-level factors and addressing potential endogeneity issues, we...

This study delves into the dynamics of the Ghana Stock Exchange Composite Index (GSE-CI) over the period from 2011 to 2022, a symbolic emerging market index that presents unique challenges and opportunities for financial analysis. We characterize the GSE-CI using advanced analytical tools such...