We measure the correlations between two cities’ real GDP growth rates (a measure of business cycle correlations) to capture the degree of segmentation across China’s provincial and regional borders. This type of segmentation can be caused by local protectionism as well as other...

We measured the business-cycle correlations of the real gross domestic product (GDP) growth rates of two cities to capture the degree of segmentation across China's provincial and regional borders. This type of segmentation can be caused by local protectionism as well as other economic and...