The Chinese economy might grow beyond 5 percent this year if the government adopts more proactive fiscal and monetary expansions to stimulate domestic investment and consumption, said Justin Yifu Lin, dean of Peking University's Institute of New Structural Economics. With 5-percent growth this year, the country would contribute about 1 percentage point to the global economic growth, or about 30 percent of the global economic expansion, said the economist, who is also former senior vice-president