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This study empirically examines the ripple effect of demand shocks on upstream suppliers in global value chains (GVCs). Specifically, we investigate how changes in US imports from China alter China’s imports of intermediate inputs in machinery industries from Japan, South Korea, and Taiwan. To address the simultaneity bias in this input-output linkage, we use the Trump tariffs in an episode of the US–China trade war as an instrument for US import demand from China. The analysis of China’s monthly imports from the three supplier economies during 2018-2019 finds evidence of negative tariff spillover via GVCs: the decrease in China’s output exports to the US caused by the Trump tariffs reduced China’s input imports from supplier economies. Also, this adverse ripple effect was the most significant in Taiwan, where multinational enterprises use China as an export platform, amplifying the adverse demand shock.

This paper examines trade integration of East Asian countries through the lens of global value chains (GVCs). It first gauges the extent and involvement of trade in value-added (TiVA) for East Asian countries. The analysis confirms that reliance on backward GVC participation outside of the region still looms large in East Asia. This presents the case for creating policies that would enable the creation of greater global links in addition to focusing on deepening intraregional trade linkages remain important. Sectoral comparisons reveal that Regional Value Chains (RVCs) among East-Asian economies have been increasing its role in East Asian's exports of transport equipment sector while decreasing the role in its exports of textile and apparel sector. Such trend seems to suggest RVC opportunities are available to East Asian economies in sectors that require production to locate close to large and growing markets and suppliers' ability to absorb new technology. Moreover, the study finds enabling policy environment is an important factor to strengthen intraregional value chain linkages. For example, non-tariff measures (NTMs), have become an important part of trade-policy measures and have significantly affected trade flows in RVCs. It is found that NTMs are generally associated with reduced trade in value-added flows, except in the case that NTMs may help ensuring quality standards, such as technical NTMs in the food industry.

This paper empirically examines the "defensive innovation" hypothesis that firms with higher exposure to low-wage economy import competition intensively undertake more innovative activity by using a high quality Japanese firm-level panel dataset over the period 1994-2005. The novel feature of the analysis is the relation of firm-level variations of patent usage to import competition. The results suggest that intensified import competition from the People's Republic of China has resulted in greater innovative activity by Japanese firms, consistent with the findings of European firms in Bloom et al. (2016). Moreover, such competition has also led to an increase in non-used patents.

This paper examines the hypothesis that manufacturing industries in Japan that have been exposed to import competition from the People's Republic of China (PRC) experience greater skill upgrading (increased demand for skilled workers). Using an industry panel dataset over the period 1980-2010, we exploit variations of worker skill categories by occupation, paired with detailed information and communication technology investment data in the employment share regression. We find that while the PRC's comparative advantages in exports have shifted from labor-intensive to more capital-intensive products, this has not resulted in substituting skilled workers in Japanese manufacturing. Rather, it has had the profound positive effect of raising overall demand for skilled workers. Most of the competition effects were felt among production workers, leaving middle-skilled workers largely unaffected.