Special Researches In Physics

Global value chain (GVC) participation has played a significant role in boosting the trade gains of both developed and developing seafood-exporting countries over the past three decades. In addition, the extent of GVC participation has become the most important platform for addressing gains from trade in developing seafood-exporting countries to ensure that their participation enhances economic growth. Recent studies on GVC participation in developing countries have highlighted the importance of domestic institutions. However, the literature is silent on the quality of the domestic institutions–GVC participation nexus. This paper aims to investigate the determinants of GVC participation and the effect of the quality of domestic institutional governance on seafood-exporting developing countries’ GVC participation indices. Using the Hausman–Taylor (HT) estimator and the system generalised method of moments (GMM) dynamic panel data methodology to examine seafood export data from 32 countries from 2009 to 2018, we find that economic potential drives backward GVC participation, while low forward participation might not only lead to lower gains from trade, but also limit countries to the supply of primary seafood products with little value addition. In addition, the quality of domestic institutional governance constrains GVC participation. Overall the results indicate that the quality of domestic institutional governance matters for the GVC participation of seafood-exporting developing countries.

This study investigates the impacts of the global value chain (GVC) participation on conflicts across nations. The first novelty of this study is to observe the impacts of GVC participation on conflicts. In other words, the trade statistics are not conventional, but they track true domestic value-added embedded in exports and true foreign value-added embedded in imports, which provides a more accurate way to measure trade values. Secondly, the comprehensive data set enables us to include 188 countries and to conduct disaggregated analysis via the heterogeneity across sectors. The findings indicate that bilateral GVC participation has a significantly negative impact on the number of conflicts regardless of sector groups. The multilateral GVC participation of manufacturing and service sectors also decreases the number of conflicts across the countries. In other words, greater GVC activities can foster economic interdependence and peace because countries with close economic relations are less likely to wage war on one another due to the associated costs. Moreover, GVC participation may allow countries to access resources that are not available domestically. Therefore, trade can alleviate a potential cause of conflict. Regarding control variables, membership in the GATT, distance, common language, and polity measures are negatively associated with the number of conflicts whereas contiguity, common border, landlocked, and common colony are positively correlated with the number of conflicts. The findings are quite robust to a couple of robustness checks: different dependent variables, different samples, and 5-year (moving) averages. Therefore, we can argue that enlarging and deepening world trade negotiations and policies emphasizing peace might help to decrease tensions.

Engagement in the global division of labor has greatly influenced China’s economy and environment. With the multi-regional input–output (MRIO) framework, we calculate the global value chain (GVC) participation index of China’s 16 manufacturing sectors. We also measure the green upgrade index of manufacturing sectors based on the super-efficiency epsilon-based measure (SEBM) and the Malmquist–Luenberger (ML) index. In addition, the effect of GVC participation on the green upgrade of manufacturing sectors is empirically tested with a fixed effects regression model for panel data. Results show that: (1) sectors that rank high in the forward linkage-based GVC participation index also tend to rank high in the backward linkage-based GVC participation index; (2) the ML index is greater than 1 in most years, indicating that the green upgrade of China’s manufacturing sectors shows an uptrend; (3) for both forward and backward linkage, the rise of the GVC and complex GVC participation indexes significantly promotes the green upgrade of manufacturing sectors. Finally, GVC participation of China’s manufacturing sectors promotes green upgrade mainly through green technology progress. The conclusions have empirical evidence and policy implications for the advancement to medium- and high-end GVC participation and the green transition of China’s manufacturing sectors.

Based on firm- and customs transaction-level data from 2000 to 2006, this study employs the translog cost function to measure the capacity utilization of Chinese firms. It then uses a difference-in-differences (DID) model combined with propensity score matching (PSM) to examine the impact of global value chain (GVC) participation on capacity utilization. The empirical results show that GVC participation has a significant positive impact on firm capacity utilization and that this impact lasts for a long time. Our results are robust after considering several potential problems. Mechanism testing reveals that GVC participation improves firm capacity utilization by expanding market demand and promoting technological progress. Heterogeneity analysis shows that GVC participation has a more significant impact on general trade firms, private firms, high-tech industry firms and firms in the western region of China. This study reveals that GVC participation can effectively ameliorate China's overcapacity, providing new ideas for achieving overcapacity governance.

Economic globalization creates new opportunities for countries to develop and achieve high rates of economic growth through participation in global value chains. However, many countries, especially developing ones, face economic difficulties due to weak involvement in global value chains and low prospects for moving from the least profitable to more profitable links of the chains. The relevance of the study lies in the need to assess the nature of Russia's participation in global value chains in high-tech sectors in order to understand the prospects for improving the position of Russian companies in the global production system, ensuring a technological breakthrough and sovereignty. In this study, based on the concept of the "smile curve" of global value chains and the ADB MRIO input-output tables for 2000, 2011 and 2021 for 63 countries and 35 industries, an assessment of the nature of participation of companies in high-tech sectors of the Russian economy in global value chains is given for the first time. The distribution of added value for Russian global value chains takes the form of a "smile curve". At the same time, the main beneficiaries of the added value in such chains are domestic service companies. The theoretical significance of the work is due to the original knowledge about the specifics of the involvement of high-tech sectors of Russia in global production, as well as the features of its spatial organization (by identifying key foreign partners) and the transformation of participation in global value chains over the studied period of time. The practical significance of the study primarily comes from the data obtained on the contribution of foreign partners and Russian sectors of the economy to intra- and inter-industry trade in the studied sectors. This made it possible to decompose the studied sector in terms of added value from the point of view of foreign and national final and intermediate products, as well as from the point of view of foreign and national added values.

The article is devoted to the generalization and systematization of the main theoretical approaches and practical methods of measuring the participation of countries or industries in global value chains (GVC). The work provides the definition and main content of global value chains. It has been noted that the growing role of global value chains and their importance not only changes the approach to the ways of generating income and ensuring economic growth, but also gives an awareness that the most important driver of economic growth of an industry or country is direct participation in global value chains. Significant arguments have been presented in favor of the participation of countries in global value chains. Summarizing the existing methods of calculating the degree of a country’s participation in global value chains, the authors have singled out four index based methods: Index of Vertical Specialization, Export complexity index, GVC participation index and GVC position index. Index of Vertical Specialization assumes using data on the country’s expenditure-output for the distribution of the value of imported foreign goods contained in export products of a certain industry in this country, on the total export value of the industry. Export complexity index based on export volume and income of a country that participates in global value chains, as well as the export of goods of a specific country and the industry index of goods to measure the national product index. GVC participation index is measured in terms of the value of goods and services added as a result of trade. GVC position index shows the “status” of a certain industry in a country: the higher the value, the higher the “status” of a certain industry in the country’s global value chain, and vice versa. The main formulas for calculating indices, advantages and disadvantages of their use have been presented. Thus, it has been proven that the GVC participation index, which is based on the Index of Vertical Specialization, reflects the dynamics of the integration of countries in the GVC and allows for inter-country and inter-industry comparative analysis, but does not provide an opportunity to assess the benefits received from participation in the GVC. The use of the GVC Status Index allows to solve this task both at the country and at the sectoral level. It has been proposed to use GVC participation index and GVC position index as a basis for analyzing Ukraine’s participation in global value chains. This will allow not only to reveal the degree of Ukraine’s participation in the modern international division of labor but also, based on the conclusions of such an analysis, to develop recommendations for improving the place of Ukraine in the GVC and change the position of Ukraine from a raw material supplier country to a raw material processing country.

The study investigated GVC and exchange rate comovements from 1990 to 2018.The study employed a continuous wavelet coherence procedure to investigate the timefrequency dependence of global value chain (GVC) participation and exchange rates relationship in Africa.We find from the study that there is interdependency between exchange rates and global value chain participation only in the very short term for all selected countries.The study finds interdependent and well-governed networks continue to experience muted effects of exchange rate effects on GVC participation while independent firms in countries participating in GVC forward integration are negatively impacted.

This paper examines the impact of global value chain (GVC) participation on total factor productivity in African economies. The analysis is based on panel corrected standard errors, IV-estimation technique and the novel Method of Moment (MM)-panel quantile regression. The results reveal that there is positive and significant relationship between global value chain and total factor productivity in African economies. Specifically, we discover that the impact of GVC participation on total factor productivity is positive and significant. This result is consistent across all the quartiles after employing MM-panel quartile regression. The coefficients of global value chains improve as we approach a higher quantile. The study concludes that GVC participation allows access to a larger global market which local firms may explore to gain from scale economies, and to learn using modern technology and innovations. It facilitates connections to cheaper and quality inputs for domestic production, while efficiency is guaranteed.

Effective integration into global value chains (GVCs) has enabled China’s technological progress and economic growth. Studying how China has built interactions with other countries within these GVCs and how it has transformed its GVCs in the electronics and IT equipment industries is of high scientific and practical significance. Using the TiVA 2023 value-added database published by the OECD, this article aims to examine the transformation of China’s GVCs in the development of IT production and exports from 1995 to 2022 and then to characterize the current situation and prospects. The study calculates indices of China’s upward and downward participation in electronics and IT equipment GVCs, as well as the role of this industry in the creation of final demand in other countries. The results of the study reveal the sustainability of the export potential China has created through its participation in GVCs, primarily in the consumer electronics and telecom equipment segments. China has been able to make significant inroads into GVCs, replacing essential products and technologies from Western countries while simultaneously increasing the dependence of their GVCs and final consumption on its IT industry. Under conditions of technological decoupling, the participation of both China and other countries in GVCs will gradually decline and/or develop toward regionalization. For China, this does not pose a threat of losing its leading position in the global market for most IT products, with the exception of semiconductors

This paper investigates the impact of global value chain (GVC) participation on energy efficiency in developing countries, using firm-level data from Chinese manufacturing enterprises. While integration into GVCs may expose firms to energy-intensive production segments, it also offers access to advanced technologies and spillovers. We develop a theoretical framework linking firms’ GVC embeddedness to energy consumption behavior and test its implications using detailed trade and energy use data. Our empirical results show that greater GVC participation significantly improves firms’ energy efficiency. Mechanism analysis reveals that GVC embeddedness enhances innovation input and productivity, both of which contribute to energy performance improvements. The effects are more pronounced for private firms and firms in capital-intensive industries. Our study contributes to the literature by offering the first firm-level evidence on the environmental implications of GVC integration, revealing importance of participating in GVC in solving the energy problems for the developing countries.

ABSTRACTThis study empirically examines the relationship existing among Global Value Chain (GVC) participation, Foreign Direct Investment (FDI), and sustainable development within sub‐Saharan Africa (SSA) from 2000 to 2023, leveraging data from 39 countries. Employing a Panel Vector Autoregression (PVAR) approach, the study analyzes the dynamic and bidirectional relationships among these variables, addressing critical issues such as endogeneity, heterogeneity, and cross‐sectional dependence. Empirical results reveal that increased participation in GVC participation positively contributes to sustainable development, although the impact is limited and short‐lived. Similarly, FDI was found to significantly enhance sustainable development, underlining its catalytic role in SSA economies. Conversely, the regulatory framework demonstrates mixed results; stricter regulations, unexpectedly, exhibit a negative direct impact on sustainable development, but positively respond to increased sustainable development performance, highlighting potential delays, or indirect pathways through which regulations affect sustainability. Variance decomposition analysis underscores the importance of GVCs, FDI, and regulatory intensity as drivers influencing sustainable development outcomes, while impulse response functions further explain the temporal effects of shocks across these variables. The study recommends policies fostering technological innovation, targeted green investments, and robust regulatory frameworks to maximize the sustainable development benefits derived from GVC integration and FDI inflows.

Trade and participation in global value chains can play a key role in economic diversification and development. This paper deepens the discussion about productivity growth and upgrading in agriculture in Africa, and the role of national, regional, and international value chains in supporting such structural change. The analysis in this report is based on quantitative and qualitative surveys undertaken in 2016 in Ghana, Kenya, and Zambia, where 3,935 farmers, 60 aggregators, and 56 buyers in the maize, cassava, and sorghum value chains were interviewed in the three countries. The descriptive results show that farmers who were on a contract saw greater structural transformation; higher output; and better access to seeds, fertilizers, pesticides, technology, and extension services compared with farmers who were not on a contract. To identify more robustly the link between value chain participation and contract farming with productivity and upgrading, the paper looks at the relationship using a variety of empirical methodologies, ranging from ordinary least squares and probit regressions to propensity score matching. Based on the empirical evidence, the hypothesis that value chain participation leads to structural transformation cannot be confirmed. The paper does find evidence that formal or informal contractual arrangements that regulate the provision of inputs to production, such as fertilizer, technology, extension services, and market information, positively affect upgrading. It remains nevertheless important to understand the impact of government policies on the emergence of value chains given that value chains support contractual arrangements.

Agriculture, food and global value chains: issues, methods and challenges

Dynamics between global value chain participation, CO2 emissions, and economic growth: Evidence from a panel vector autoregression model

In recent decades, the emergence of global value chains (GVCs) has changed international trade patterns. Today, the production of goods involves international production sharing, which allows countries to trace the value-added distribution to international trade. However, the COVID-19 pandemic has lowered the trade intensity between countries and can disrupt many sectors. This study uses a dynamic panel approach with the generalized method of moments estimator to investigate the pandemic’s impact on GVC participation. We also investigate whether gross domestic product (GDP) per capita may influence GVC participation, and use institutional quality as control variables. We used the Asian Development Bank Multi-Regional Input-Output (ADB MRIO) data for the 2010–2020 period. We employ backward and forward linkage approaches based on value-added exports to address the overvaluation problems in gross exports. The empirical results illustrate that the COVID-19 pandemic led to a decrease in GVC participation, on average. Furthermore, GDP per capita plays a significant role in GVC participation in backward and forward linkages with higher-quality institutions.