BEIJING (Reuters) - China's central bank governor has warned that quantitative easing policies worldwide could cause inflationary risks, state news agency Xinhua said on Saturday. The remarks by People's Bank of China (PBOC) Governor Zhou Xiaochuan come even as analysts credit policy easing from G4 central banks - the U.S. Federal Reserve, the European Central Bank (ECB), the Bank of Japan and the Bank of England - in the third quarter of the year as underpinning business confidence. ...