Section I: Automated Negotiation.- Automated Negotiation and Bundling of Information Goods.- Two Stock-Trading Agents: Market Making and Technical Analysis.- Acquiring Tradeoff Preferences for Automated Negotiations: A Case Study.- A Decommitment Strategy in a Competitive Multi-agent Transportation Setting.- Section II: Mechanism Design.- Sequences of Take-It-or-Leave-It Offers: Near-Optimal Auctions Without Full Valuation Revelation.- Mechanism for Optimally Trading Off Revenue and Efficiency in Multi-unit Auctions.- Choosing Samples to Compute Heuristic-Strategy Nash Equilibrium.- Section III: Multi-agent Markets.- Improving Learning Performance by Applying Economic Knowledge.- Handling Resource Use Oscillation in Multi-agent Markets.