Attracting more talented foreign students to study at U.S. universities and encouraging them to launch entrepreneurial ventures here could help 鈥渞evitalize innovation and economic growth鈥 in this country, a trio of economists led by University of Colorado Boulder Professor Keith Maskus concludes. Maskus and co-authors Ahmed Mushfiq Mobarak, associate professor at the Yale School of Management, and Eric T. Stuen, assistant professor at the University of Idaho College of Business and Economics, make this case in the Policy Forum of the Nov. 1 edition of the journal Science .