Paper Reviews Discussion of some of the important papers. Duality, LP's and Vickrey Prices Based on: Bikhchandani, Sushil, Sven de Vries, James Schummer and Rakesh Vohra. 2001. Linear Programming and Vickrey Auctions. In Mathematics of the Internet: E-Auction and Markets. Vol. 127 IMA Volumes in Mathematics and its Applications pp. 75-116. [pdf] Multi-Item Auction Based on: Demange, G., D. Gale, and M. Sotomayor (1986): “Multi-item auctions,” Journal of Political Economy, 94, 863–72. [pdf] Strategy Structure of Matching Market Based on: The Strategy Structure of Two-Sided Matching Markets, Gabrielle Demange; David Gale, Econometrica, Vol. 53, No. 4. (Jul., 1985), pp. 873-888 [pdf]