The primary motivation in this paper is to understand decision-making in design under competition from both prescriptive and descriptive perspectives. Engineering design is often carried out under competition from other designers or firms, where each competitor invests effort with the hope of getting a contract, attracting customers, or winning a prize. One such scenario of design under competition is crowdsourcing where designers compete for monetary prizes. Within existing literature, such competitive scenarios have been studied using models from contest theory, which are based on assumptions of rationality and equilibrium. Although these models are general enough for different types of contests, they do not address the unique characteristics of design decision-making, e.g., strategies related to the design process, the sequential nature of design decisions, the evolution of strategies, and heterogeneity among designers. In this paper, we address these gaps by developing an analytical model for design under competition, and using it in conjunction with a behavioral experiment to gain insights about how individuals actually make decisions in such scenarios. The contributions of the paper are two-fold. First, a game-theoretic model is presented for sequential design decisions considering the decisions made by other players. Second, an approach for synergistic integration of analytical models with data from behavioral experiments is presented. The proposed approach provides insights such as shift in participants' strategies from exploration to exploitation as they acquire more information, and how they develop beliefs about the quality of their opponents' solutions.
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September 2017
Research-Article
Understanding Design Decisions Under Competition Using Games With Information Acquisition and a Behavioral Experiment
Jitesh H. Panchal,
Jitesh H. Panchal
School of Mechanical Engineering,
Purdue University,
West Lafayette, IN 47907
e-mail: panchal@purdue.edu
Purdue University,
West Lafayette, IN 47907
e-mail: panchal@purdue.edu
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Zhenghui Sha,
Zhenghui Sha
Department of Mechanical Engineering,
University of Arkansas,
Fayetteville, AR 72701
e-mail: zsha@uark.edu
University of Arkansas,
Fayetteville, AR 72701
e-mail: zsha@uark.edu
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Karthik N. Kannan
Karthik N. Kannan
Search for other works by this author on:
Jitesh H. Panchal
School of Mechanical Engineering,
Purdue University,
West Lafayette, IN 47907
e-mail: panchal@purdue.edu
Purdue University,
West Lafayette, IN 47907
e-mail: panchal@purdue.edu
Zhenghui Sha
Department of Mechanical Engineering,
University of Arkansas,
Fayetteville, AR 72701
e-mail: zsha@uark.edu
University of Arkansas,
Fayetteville, AR 72701
e-mail: zsha@uark.edu
Karthik N. Kannan
1Corresponding author.
Contributed by the Design Automation Committee of ASME for publication in the JOURNAL OF MECHANICAL DESIGN. Manuscript received March 14, 2017; final manuscript received June 23, 2017; published online July 26, 2017. Assoc. Editor: Christina Bloebaum.
J. Mech. Des. Sep 2017, 139(9): 091402 (12 pages)
Published Online: July 26, 2017
Article history
Received:
March 14, 2017
Revised:
June 23, 2017
Citation
Panchal, J. H., Sha, Z., and Kannan, K. N. (July 26, 2017). "Understanding Design Decisions Under Competition Using Games With Information Acquisition and a Behavioral Experiment." ASME. J. Mech. Des. September 2017; 139(9): 091402. https://doi.org/10.1115/1.4037253
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