This paper studies the degree of integration of China's domestic market and investigates the determinants of inter-provincial trade barriers under the rubric endogenoustrade policy theory. I rely on industry-level trade flows extracted from provincial input-output tables to develop a model that...

I develop an index for economic integration accounting for its gradual and bilateral nature: the Gradual And Bilateral Integration (GABI) index. The graduality captures differences in the depth and path of five stages in economic integration and is an improvement over the use of binary dummy...

We show that in a fully integrated economy, in which there is free mobility of goods and factors, each member’s share of total output will equal its shares of total stocks of productive factors (i.e., physical and human capital). We label this result the equal-share relationship. This...