A Cambodian woman (L) buys vegetables at a market in Phnom Penh on December 31, 2015.  Southeast Asian nations officially launched an EU-inspired economic bloc on December 31, 2015 aimed at boosting the region's trading clout and attracting more investment, but analysts said a true single market was still a long way off.    AFP PHOTO / TANG CHHIN SOTHY / AFP / TANG CHHIN SOTHY        (Photo credit should read TANG CHHIN SOTHY/AFP via Getty Images)