Business and Economics Theory Collection This link opens in a new windowThe Business Economics & Theory Collection offers instant access to full-text academic journals and magazines--with a strong emphasis on titles covered in the EconLit bibliographic index. Powered by InfoTrac, it includes more than 1,800 titles. Content is useful for starting a business, marketing a product, developing policy, analyzing trends, constructing economic models, investing for the future, researching rates, and more.