This book constitutes the proceedings of the 15th International Conference on Group Decision and Negotiation, GDN 2015, held in Warsaw, Poland, in June 2015. The GDN meetings aim to bring together researchers and practitioners from a wide spectrum of fields, including economics, management, computer science, engineering, and decision science.

From a total of 119 submissions, 32 papers were accepted for publication in this volume. The papers are organized into topical sections on group problem structuring and negotiation, negotiation and group processes, preference analysis and decision support, formal models, voting and collective decision making, conflict resolution in energy and environmental management, negotiation support systems and studies, online collaboration and competition, and market mechanisms and their users.

Inhalt

Group Problem Structuring and Negotiation.- Effects of Small Group Discussion: Case Study of Community Disaster Risk Management in Japan.- Understanding PSM Interventions Through Sense-Making and the Mangle of Practice Lens.- Negotiation and Group Processes.- Social Consciousness in Post-conflict Reconstruction.- How to Order the Alternatives, Rules, and the Rules to Choose Rules: When the Endogenous Procedural Choice Regresses.- The Hidden Costs of the Door-in-the-Face Tactic in Negotiations.- Preference Analysis and Decision Support.- Understanding and Using the Group Decision Analysis Model.- Distributive Justice, Legitimizing Collective Choice Procedures, and the Production of Normative Equilibria in Social Groups: Towards a Theory of Social Order.- A Multiple Criteria Model for Comparison of Subjective-Objective Evaluations and Its Application.- Using Surrogate Weights for Handling Preference Strength in Multi-criteria Decisions.- Veto Values Within MAUT for Group Decision Making on the Basis of Dominance Measuring Methods with Fuzzy Weights.- Inaccuracy in Defining Preferences by the Electronic Negotiation System Users.- A Multi-criteria Group Decision-Making Approach for Facility Location Selection Using PROMETHEE Under a Fuzzy Environment.- An Interval-Valued Hesitant Fuzzy TOPSIS Method to Determine the Criteria Weights.- Multiple Attribute Group Decision Making Under Hesitant Fuzzy Environment.- Formal Models.- Using Ordinal Regression for Interactive Evolutionary Multiple Objective Optimization with Multiple Decision Makers.- Fiscal-Monetary Game Analyzed with Use of a Dynamic Macroeconomic Model.- Voting and Collective Decision-Making.- A Framework for Aiding the Choice of a Voting Procedure in a Business Decision Context.- Vote Swapping in Representative Democracy.- The Choice of Voting Rules Based on Preferences over Criteria.- Conflict Resolution in Energy and Environmental Management.- Controversy Over the International Upper Great Lakes Study Recommendations: Pathways Towards Cooperation.- Option Prioritization for Three-Level Preference in the Graph Model for Conflict Resolution.- Negotiation Support Systems and Studies.- The Role of Communication Support for Electronic Negotiations.- More Than Words: The Effect of Emoticons in Electronic Negotiations.- Online Collaboration and Competition.- A Longitudinal Case Study on Risk Factor in Trust Development of Facilitated Collaboration.- Intention to Repurchase Group Coupon Service: The Intertwined Effect of Service Quality of Vendor and Service Provider.- Defining Human-Machine Micro-Task Workflows for Constitution Making.- Creating Value Through Crowdsourcing: The Antecedent Conditions.- On Integrating an IS Success Model and Multicriteria Preference Analysis into a System for Cloud-Computing Investment Decisions.- Demand Management with Energy Generation and Storage in Collectives.- Market Mechanisms and Their Users.- Back-End Bidding for Front-End Negotiation: A Model.- Lot-Rolling - Supply Chain Negotiation in a Two-Stage Multi-echelon System.- Procurement Auctions: Improving Efficient Winning Bids Through Multi-bilateral Negotiations.