As China's economy struggles, officials in Beijing have the arduous task of formulating a policy response that can ensure sustainable growth in what promises to be a challenging year ahead. Sluggish domestic spending, a years-long property market slump and the prospect of an intensified trade war after US President-elect Donald Trump takes office next week are among the considerable hurdles facing the world's number two economy. In the face of myriad pressures, Beijing has since September announced a string of its most aggressive economic support measures in years.