Intermittent or multifractal behavior has been reported in various markets, and the impact of the COVID-19 pandemic has been investigated. However, the impact of the COVID-19 pandemic on global spot markets for staple foods has not yet been studied. We fill this gap by investigating the grain...

The stock market operates on informed decisions based on information gathered from heterogeneous sources, encompassing diverse beliefs, strategies, and knowledge. This study examines the validity of rational bubbles in stock market prices, focusing on eight African stock markets: South Africa,...

Purpose - The authors' goal is to provide an overview and historical context for the various alternatives to the efficient market hypothesis (EMH) that have emerged over time. The authors found eight current alternatives that have emerged to address the EMH's flaws. Each of the proposed...

Pesticides are agricultural inputs that can significantly reduce yield losses, regulate plant growth, effectively liberate agricultural productivity, and improve food security. The availability of pesticides in economies worldwide is ensured by redistribution through international trade, with...

This paper comprehensively explores the compelling framework encompassing Opportunity Econophysics, Opportunity Cones, Conscious Agents, and the Traces of the Conscious Dimension within the context of economic systems. The interdisciplinary nature of this framework integrates concepts from...

Systemic Risk and Complex Networks in Modern Financial Systems -- Systemic Risk and Network Science: A Bibliometric and Systematic Review -- A Holistic Journey into Systemic Risk: Theoretical Background, Transmission Channels and Policy Implication -- Macro-prudential Policies to Mitigate...