Commerce international

Résumé

vignette|upright=1.5|La poupe du porte-conteneurs géant Colombo Express. Le commerce international est l'échange de biens, de services entre pays. Ce type de commerce existe depuis des siècles (cf. route de la soie), mais il connaît un nouvel essor du fait de la mondialisation économique. La théorie du commerce international est la branche de l'économie qui étudie et modélise le commerce international. Par ailleurs, il existe un « droit des opérations de commerce international », formalisé notamment par les incoterms de la Chambre de commerce internationale. Selon la Banque mondiale, en 2019, le volume mondial total d'exportations de biens et de services était de

milliards de dollars et le volume mondial total d'importations de biens et de services était de

milliards de dollars. Le volume total du commerce international (exports + imports de biens et de services) représente 60% du PIB mondial. Évolution du commerce international alt=Évolution du commerce internation

Source officielle

https://fr.wikipedia.org/wiki/Commerce_international

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This course introduces frameworks and tools for understanding the economic dimensions of the world we live in. The course includes applications to real-world situations and events. Assessment is through group projects. The course is divided into two parts: Microeconomics and Macroeconomics.

This course provides students with a working knowledge of macroeconomic models that explicitly incorporate financial markets. The goal is to develop a broad and analytical framework for analyzing the interaction of financial decisions, macroeconomic events and policy decisions.

Ce cours a pour objectif de présenter la fonction logistique de l'entreprise dans le cadre d'une approche globale, de la logistique au supply chain management, en insistant sur l'importance de la demande "client" tirant tous processus de la chaîne d'ajout de valeur du produit ou du service

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China’s construction industry-linked economy-resources-environment flow in international trade

Qinli Lu

During construction, a large number of resources are consumed; concurrently, a large amount of greenhouse gas is emitted, which contributes to air pollution. There exist close interactions among construction regions. This study examined the main economy-resources-environment indexes associated with China’s construction industry, embodied in international trade based on the Eora database, by using the input-output model. It investigated the linkages of the economy-resources-environment nexus and suggests recommendations accordingly. We found that the total amount of input consumption and output emissions in China’s construction activities increased rapidly, both locally and abroad. China pulled much more emissions from construction-related activities abroad than the latter pulled from China. The overseas regions’ dependence on China’s construction industry gradually increased. Overall, China’s construction activities accelerated the rate of foreign countries’ resource utilization and air pollution more than it did economic profits for some of these countries. The effects on countries differed. China’s construction industry was closely related to the Asian, African, and Latin American undeveloped regions. In regard to the developed regions, cooperation with Australia, the UK, Sweden and Russia was more frequent. There existed a close relationship between all the economy-resources-environment indexes. Based on the findings, protective measures were suggested, including avoiding unnecessary construction activities, optimizing China’s economic and energy use structure, improving the efficient use of resources, strengthening environmental protection both abroad and locally, as well as reducing the export of products with high energy or resources consumption.

2020

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Footprint of SO2 in China's international trade and the interregional hotspot analysis

Qinli Lu

SO2, which is one of key components that can deteriorate the environment, can be relocated by international trade. Based on the EORA, the EDGAR databases and input-output model, this study calculated China's SO2 emissions caused by import and export, and presented a method to exhibit China's export-related SO2 footprint at a high resolution. The results showed that export generated more SO2 emissions than import, and the two both increased rapidly since 1990, but decreased in 2008 and 2010, respectively. Both importand export-related SO2 emissions were concentrated more in undeveloped regions and several developed countries. High percentage of China's export-related SO2 emissions were mainly observed on the secondary industry activities. The percentages for most sectors increased before 2005 and decreased in 2015. Spatially, the export-related emissions decreased obviously from the southeast to the northwest within China. China's export-related SO2 emissions showed an increasing trend overall during 1990-2012. Areas with increasing emission trends were mainly concentrated in areas where the secondary industries were concentrated, such as the North China Plain. Both the increasing and decreasing areas showed highly significant changing trends. The east and south showed intensive distributions of the highly significant changing trends.

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A continuous growth of international trade, especially between developing countries, has greatly increased carbon dioxide (CO2) emissions associated with energy consumption over the past two decades. Given the more intensified intraregional cooperation and trade within the Belt and Road Initiative (BRI), this study aims to trace the imbalance of CO2 embodied in trade between nations in BRI and the rest of the world, providing new insights into the drivers of emissions growth by contrasting consumption, production and technological differences-based perspectives. Results indicate that the BRI contributed to over 50% of global carbon footprint and 92% of its increase in 1995-2015. The BRI was a net exporter of trade-embodied emissions, whose technological-adjusted carbon footprint remained remarkably large due to comparatively high carbon intensity. Geographically, carbon leakage has gradually moved from China and India to other BRI countries, especially to Southeast Asia, West Asia and Africa. Technological change was the key driver of emissions reduction, followed by the change in industrial structure. The growth in final demand per capita was the most important driver for the growth of CO2 emissions in BRI. Improving carbon efficiency remains a critical step for BRI nations to slow down not only emissions growth but also carbon leakage. The paper managed to provide novel insights into the carbon leakage in BRI by contrasting the consumption, production and technological differences-based perspectives, thus being able to better inform policymakers on region-specific low-carbon transition and global climate governance.

ELSEVIER SCI LTD2020

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