NEWS TIP SHEET CU-Â鶹ӰԺ Sources on China and the 2008 Summer Olympics China's Economy. Keith Maskus, associate dean for social sciences in the College of Arts and Sciences and a professor of economics, can comment on China's trade and technology development processes and the Chinese economy. He can be reached at 303-492-8571, 303-492-7588 or by e-mail at keith.maskus@colorado.edu .