China has limited room for further monetary policy easing, and it should pursue structural reforms such as encouraging entrepreneurs rather than counting on macroeconomic policies to revive growth, a central bank adviser said on Sunday. Liu Shijin, a member of the People's Bank of China's (PBOC) monetary policy committee, told a financial forum in Shanghai that Beijing's room for monetary policy easing was limited by widening interest rate differentials with the U.S. Fiscally, Chinese governments at various levels are under stress, he told the annual Bund Summit conference. "If China continues to focus on macro policies in its efforts to…