This paper studies the implications of the presence of shadow banking for economic activity and the effectiveness of monetary policy in China. To explore this topic, we develop a model of the Chinese economy using a DSGE framework that accommodates interacting traditional and shadow banks. China's two specific banking regulations, in the form of loan-to-deposit ratio (LDR) and loan quota, only applies to the traditional banks. Our estimates show that regulation shocks have been the major driver of China's rising shadow banking during 2009–2016...