This paper investigates the trend of servicification in global value chains (GVCs). The degree of servicification is measured as the share of service value added in manufacturing exports. Service inputs are either from domestic market or from foreign countries, which are measured by the domestic servicification and the foreign servicification, respectively. Using the international input–output tables from 1995 to 2011, we estimate the degree of servicification across 61 countries with a focus on Asian nations which have been rarely studied in previous research. We observed an evident trend of servicification in manufacturing in the Asian countries, especially in the 16 countries associated with Regional Comprehensive Economic Partnership (RCEP). Asian countries tend to have a lower level of domestic servicification but a higher level of foreign servicification than OECD countries. We also identified five key factors in driving the trend of servicification. Countries with broader participation and lower positions in GVCs tend to have higher levels of foreign servicification in manufacturing. Improvements in information and communication technology (ICT) also raise the level of foreign servicification. However, countries with a larger supply of service workers, better regulation quality and less government governance have a higher level of domestic servicification in manufacturing.

This paper focuses on the widening wage inequality between skilled and unskilled workers within countries and discusses whether trade and technology have contributed to this trend. The paper develops an analytical framework for wage inequality that traces the determinants and their relative roles in wage inequality in different stages of the development of trade theory, especially those considering new evidence after 2011. We find that technology plays a key role in the rise of wage inequality in most countries, while trade plays an increasingly crucial and more complex role in recent years. Skill supply institutions, such as education systems supplying skilled labour or unions participating in wage‐setting processes, suppress the rise of wage inequality in some countries. The paper further outlines the mechanisms through which trade affects wage inequality, including offshoring, firm heterogeneity, labour market frictions and global value chains. We find that trade has indirect effects on technology, which further enlarges the wage inequality among skills. The paper also discusses the policy implications of the impacts of trade and technology on wage inequality.

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This paper investigates the effects of human capital on bilateral domestic value-added trade in global value chains (GVCs) for 43 countries and 56 sectors. In contrast to previous studies, this paper estimated an approximate gravity model of value-added trade to capture the role of human capital in determining the cross-border production linkages via value-added trade. The results show that the domestic value-added trade flows depend critically on human capital development in both exporting and importing countries. The results indicate a positive effect of skilled intensity on bilateral domestic value-added trade in GVCs. We also observe a larger positive effect of skills on the GVC value-added trade for the developing economies. The paper highlights the importance of trade liberalization and forward-looking human capital development policies for the competitiveness of the developing countries in the value-added trade in GVC.