This paper proposes a general method to extend a standard input-output (IO) table to incorporate firm heterogeneity when portraying the domestic segment of global value chains in a country. We develop a quadratic optimization model to estimate an extended IO table that reports inter-sector...

China has defied the declining trend in domestic content in exports in many countries. We study China's rising domestic content in exports using firm- and customs transaction-level data. Our approach embraces firm heterogeneity and hence reduces aggregation bias. We find that the substitution of...