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Global Value Chains

Searching for New, Better Data to Measure GVCs

Klaus Tilmes's picture
Statistical and international development agencies are working together to try to improve and develop novel ways of measuring countries’ participation in global value chains (GVCs) in the hopes that better data equals better development outcomes.

More and better data capturing the dynamics of GVCs are needed to help governments put in place appropriate policies that support GVC integration and boost employment and productivity in agriculture, manufacturing, and services, while also improving worker well-being, social cohesion, and environmental sustainability.

Picture Trade: To Understand GVCs, Connect the Dots

Gianluca Santoni's picture
The increasing salience of global value chains and their analysis has created tremendous demand for “mapping” these chains. How can we quantify the ‘value’ along a chain? How can we visualize the connections between each link?

These are questions we’ve been seeking to answer at the World Bank Group. And we’ve developed a new visualization tool, accessible through our World Integrated Trade Solution database, which allows the public to explore the quantifiable reality of GVCs.

To give you an example of how it works, let’s look at the automotive sector—a very prominent and commonly discussed GVC.

Sturgeon and Memedovic developed a methodology to break down the automotive production chain into final goods—those purchased by the consumer—and intermediate goods—those purchased by other manufacturers as inputs to be used in their own production. They identify three main GVC ‘nodes’: Automotive components (made by suppliers); engines, transmissions, and body assemblies (made by automakers); and finished motor vehicles. Table 1 shows the main exporting country within each of these nodes and its relative market share within that node.
Table 1: Main exporter by automotive GVC node, 2014
Main exporter by automotive GVC node, 2014

Table 2 goes one step further. By digging into the trade data, we can identify the most important products for each GVC node, in terms of their relative weight on world trade. This also helps us, in part, to identify which products or activities along the production chain are most significant or add the most value.
Table 2: Most traded product by automotive GVC node, 2014
Most traded product by automotive GVC node, 2014

Perhaps not surprisingly, the most exchanged automotive input ‘made by suppliers’ in 2014 falls under the classification HS870899—‘parts and accessories.’ Now, to better understand exactly how these parts and accessories move along the GVC, we can use our Global Trade Network tool on WITS to map all of the bilateral trade flows for HS870899. [1]
Figure 1: Global Trade Network visualization for HS870899 - Supplier perspective, 2014
Global Trade Network visualization for HS870899 - Supplier perspective, 2014

Stuck on the periphery of international trade and global value chains

Daria Taglioni's picture
Firms that are able to access and use the Internet, mobile telecommunications and other digital technologies are much more likely to export, to export to more destinations, to become part of global value chains (GVCs) and to connect to and survive in the global marketplace. They also grab a larger slice of a country’s total exports, and their products tend to be more diverse.

In Jordan, for example, the use of ICT and digital technologies affects firms’ export performance across multiple dimensions (figure 1) – share of exports, sales, market share and survival. This trend can be seen in other developing countries as well, including Chile, India, Indonesia, Peru, South Africa, Thailand and Ukraine.
Figure 1. Jordan: Performance of technology-enabled vs. traditional exporters (Source: eBay, 2014)

Yet, as the 2016 World Development Report Digital Dividends highlights, despite the many individual success stories and the rapid spread of digital technologies, aggregate effects on development, growth, jobs, and services of low-income developing countries (LIDCs) is lagging. The lack of ICT capacity and access is often most evident in limiting the opportunities of small- and medium-enterprises (SMEs), as illustrated in the World Bank-OECD report Inclusive GVCs.