Can Game Theory Enhance Profit?
Game Theory Enhances Profitability in Technology Licensing: Chiba University Study
November 14, 2023 – A groundbreaking study from Chiba University, published in the Journal of Public Economic Theory, reveals how game theory can be used to optimize licensing strategies for technology holders, potentially increasing their profitability and benefiting licensees.
Game theory is a branch of mathematics and economics that studies decision-making in scenarios where the outcome for any individual participant depends not only on their own actions but also on the actions of others. It’s essentially the science of strategy, analyzing how individuals or groups make choices that will, in turn, affect the choices of others. In game theory, a “game” refers to any situation in which players (which could be individuals, firms, countries, or any other actors) make strategic decisions. The theory assumes that these players are rational and will strive to maximize their own payoffs.
Game theory encompasses a wide range of types of games, from cooperative where players can form alliances and agreements, to non-cooperative where no such agreements are possible. It is applied in various fields such as economics, political science, psychology, and even biology, offering insights into phenomena like market behavior, bargaining, voting systems, and evolutionary patterns. Each game within game theory is defined by its set of players, available strategies, and the payoffs received for each combination of strategies. The concept of Nash Equilibrium, named after mathematician John Nash, is a fundamental idea in non-cooperative games and occurs when players choose their strategies in a way that no player can benefit by changing their own strategy while the others keep theirs unchanged. This concept helps to predict the outcome of complex strategic interactions in the real world.
Moreover, this research, led by Associate Professor Shin Kishimoto, presents a novel approach to negotiating licensing agreements in markets dominated by a few producers, a common scenario in technology industries.
The study explores the effectiveness of combining fee and royalty licenses, a significant departure from traditional non-cooperative licensing methods like fixed offers or auctions. Kishimoto’s mathematical model identified stable licensing schemes, which are both rejection-proof and not dominated, meaning they offer the best possible agreement for both technology holders and licensees. Surprisingly, the research found that the royalty rate doesn’t always maximize total profit and that fee licensing through bargaining is not always achievable.
Kishimoto’s work has substantial implications for technology holders seeking to maximize their gains and policymakers crafting intellectual property and antitrust regulations. Thus, the study’s insights into cooperative game theory could reshape licensing practices, ensuring more equitable and profitable agreements in the technology transfer domain. While the research utilizes simplified models, Kishimoto is optimistic about the future focus on cooperative game theory in technology licensing, paving the way for more nuanced understanding and application of these strategies.
Reference
Title of original paper: Stable licensing schemes in technology transfer
Journal: Journal of Public Economic Theory
DOI: 10.1111/jpet.12664
About Professor Shin Kishimoto
Shin Kishimoto is an associate professor in the Graduate School of Social Sciences at Chiba University. His research interests are game theory and industrial organization, moreover, with a focus on the application of cooperative game theory to technology transfer. Prior to joining Chiba University in 2014, he was an Assistant Professor in the Graduate School of Decision Science and Technology at the Tokyo Institute of Technology. Lastly, he received his PhD from the Tokyo Institute of Technology in 2011.
ORCID iD: https://orcid.org/0000-0002-2798-2046



