Chinese Communist Party (CCP) technocrats attempted to create a system where they could enjoy the best of the three options and leave behind the worst parts. China implemented a quasi-fixed exchange rate, which is effectively a U.S. dollar index, with tightly controlled capital flows, and a semi-sovereign monetary policy. What almost no one noticed with the convoluted creation of Chinese currency policy attempting to adhere to the 'impossible trinity' was that for the last 20 years, China benefited from business cycle synchronization with the United States. Because the yuan was tied directly to the U.S. dollar and the United States kept interest rates low, China could keep its interest rates low