The 5th General Equilibrium Theory workshop, Asia (GETA2008), jointly organized by Wang Yanan Institute for Studies in Economics, Xiamen University and Center for Economics Research，Shandong University, will take place in Wang Yanan Institute for Studies in Economics (WISE), Xiamen University, Xiamen, China, on August 4-6, 2008. The workshop is to provide an opportunity for researchers getting together, exchanging ideas and presenting their latest research developments in the broad area of economic theory, namely, decision theory, game theory and general equilibrium theory, and other related fields. The program consist primarily contributed papers. Young researchers are also encouraged to submit their papers.