Purpose - this paper adopts the mean-variance approach in optimizing portfolios within the Colombian capital market, a setting full of complications such as lack of liquidity and market concentration. It delivers actionable messages for emerging market stakeholders and formulates guidance aimed...

The study aimed to identify economic risks, in particular the impact of currency fluctuations, inflation and changes in tax policy on the financial security of Ukrainian agricultural enterprises. The data of such companies as Myronivsky Hliboproduct, Kernel and Slobozhansky Agrocombine were...

Although the Middle East is often perceived as politically, economically, and socially unstable, Saudi Arabia offers a different narrative. Inspired by the country's vision (Vision 2030) and the growing body of research exploring its socio-economic transformation, this article examines how...

Passenger transportation in Japan's main metropolitan areas is operated by the JR companies, which were privatized and divested from Japan National Railways (JNR) in 1987 and by 16 major private railway companies with large-scale operations. Although their core business is transportation, the...

There has been growing interest among investors to include cryptocurrencies in their portfolios because of their diversification potential. However, the diversification role of cryptocurrencies when added to South African bank equities is yet to be determined. This study rigorously evaluates...

This study investigates whether publicly listed cannabis shares provide enough risk-adjusted returns to warrant their incorporation into diversified portfolios. An equally weighted portfolio of cannabis companies is constructed using monthly data from January 2015 to December 2024. Risk-adjusted...

In this paper we explore the impact of decarbonization on international trade and development employing a recursive dynamic Computable General Equilibrium (CGE). We develop three long run stylized climate change scenarios: (i) Global Inaction (GI); (ii) Divided World (DW); and (iii) Cooperation...

The study investigates the implementation of trade routes and their impact on the regional economic integration of Central and South Asia. It uses three indices, the Trade Complementarity Index (TCI), Similarity Index (SI), and Trade Diversification Index (TDI), to evaluate the level of regional...

As part of the completion of the European Banking Union, the decision on the organization of institutional and deposit protection is still pending. The mere linking of these two objectives, which are by no means necessarily identical in terms of content, has recently led to heated controversy....

Microcredit, a financial tool providing uncollateralized loans to low-income individuals, has seen a shift from joint-liability (JL) to individual liabil- ity (IL) lending models. This article tests a theory explaining this shift, focusing on borrowers matching into groups exposed to similar...

In this study, we delve into the financial market to compare the performance of prominent AI and robotics-related stocks against traditional IT indices, such as the Nasdaq, and specialized AI and robotics ETFs. We evaluate the role of these stocks in diversifying portfolios, analyzing their...

We analyse changes in market structure in India between 2000 and 2020 using a rich dataset at high levels of disaggregation. We examine the extent to which business groups - notably family-owned groups - have maintained dominant market positions in the Indian economy. We focus on two key...

Based on granular data at the product level, this paper looks at whether and how the euro area and the United States have modified their import sourcing strategies since 2016, the role played by geopolitical tensions and the potential impact on import prices. It considers two different, but not...

This study aims to determine the influence of the industry group business on international acquisition diversification with private ownership and strategic asset seeking as moderating variables. Using resource-based and institutional theory, this study hypothesizes that the industry group...

Because excessive specialization can be risky, diversification matters for sustainable development. A case study of Madagascar, this paper begins by briefly discussing economic and institutional diversification and presenting a simple model of production possibilities to illuminate the possible...

This research explores the effects of significant global economic shocks, such as the 2008 Global Financial Crisis and the 2020 COVID-19 pandemic, on GDP growth in the Gulf Cooperation Council (GCC) nations. Employing a dynamic generalized method of moments (GMM) model, the analysis highlights...

We propose a framework for constructing diversified portfolios with multiple pairs trading strategies. In our approach, several pairs of co-moving assets are traded simultaneously, and capital is dynamically allocated among different pairs based on the statistical characteristics of the...

We use two waves of census data with detailed farm characteristics for the total population of Austrian farms to examine the causal effect of agritourism on farm survival. To account for self-selection into agritourism, we use regional variation in tourism intensity that is exogenous to...

Czechia is one of the most export-oriented countries, reaching high levels of economic complexity. However, its innovative capabilities remain limited. Taking these factors into consideration, we determined the country's optimal diversification path by identifying prospective export sectors...

In this article, we investigate the validity of diversification effect under extreme-value copulas, when the marginal risks of the portfolio are identically distributed, which can be any one having a finite endpoint or belonging to one of the three maximum domains of attraction. We show that...

In this paper we provide an economic interpretation of intercropping as a risk management strategy based on spatial diversification of production. We study vine intercropping - i.e., scattering vines across fields rather than concentrating them in specialized vineyards - a traditional practice...