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This course presents basic theories that concern models of social decision-making procedures. As a major topic, important theorems of social choice theory are to be lectured. The scope of this course includes topics of decision support and democracy. Various voting methods are also to be introduced in the course, some of them seems to be especially attractive in the information age. The aim of this course is to provide the students with an opportunity for acquiring theories about social decision making and an opportunity for developing independent research interests in this field.
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Each student is expected to understand the proof of Arrow's impossibility theorem and some major topics related to decision making procedure.
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A: Basic knowledge and understanding of various sciences subjects ○
B: The ability to think logically and creatively ○
C: The ability to communicate effectively △
D: Gained a sense of social ethics and an international perspective △
E: Understanding of various issues in the information society and the ability to utilize informatics knowledge △
F: Knowledge of social organizations and systems and the ability to analyze them by a social scientific approach ○
G: Basic knowledge of data science and the ability to propose social implementation ○
H: Knowledge base for creating and utilizing information technology △
I: The ability to formulate tasks based on humanistic and informatics knowledge and search for practical philosophy △
J: The ability to discover issues and propose social systems utilizing social science knowledge ○
K: The ability to solve problems through data collection, analysis and mathematical optimization ○
L: Knowledge of computations and information and the ability to develop technology related to computers △
（◎：Especially important，〇：Important，△：Subject to evaluation，―：Not subject to evaluation）
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This course systematically acquaints students with theories of collective choice. After briefly considering the history of collective choice from the Greek era, students will learn social choice theory as a problem of preference aggregation, which has Arrow's impossibility theorem at its core. During this process, students will gain understanding of various voting methods and decision approaches, as well as study about ICT-related supporting techniques. This course introduces ICT-based supporting methods such as electronic voting systems.
Many topics related social decision-making are to be learned through lectures and discussions. Students are encouraged to read related books and reference materials before attending classes. It is also advisable to spend much time to prepare for oral discussions.
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This is a lecture style class. Students are expected to bring their computer.
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| No. | 内容 |
| 第1回 |
Introduction
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| 第2回 |
Basics (1) Concept of Preference
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| 第3回 |
Basics (2) Individual Rationality
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| 第4回 |
Basics (3) Interpersonal Comparison of Utility
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| 第5回 |
Basics (4) Pareto Optimality and Nash Equilibrium
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| 第6回 |
Social Choice (1) Preference Relations 1
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| 第7回 |
Social Choice (2) Preference Relations 2
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| 第8回 |
Social Choice (3) Preference Relations 3
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| 第9回 |
Social Choice (4) Preference Relations 4
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| 第10回 |
Social Choice (5) Preference Relations 5
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| 第11回 |
Social Choice (6) Collective Choice Rules
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| 第12回 |
Social Choice (7) Social Welfare Function 1
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| 第13回 |
Social Choice (8) Social Welfare Function 2
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| 第14回 |
Advanced Topics (1)
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| 第15回 |
Advanced Topics (2)
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This is a normal 2-credit course, which basically means that in addition to the scheduled meeting times, students are expected to do at least 3 hours of course-related work outside of class each week during the session. This includes work done completing assigned readings, preparing written assignments, studying for tests and examinations, and other course-related tasks.
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During the term, small examinations and the final examination are held. There also will be hand-written reports. Assessment will be based on: small examinations and the final examination (total 60% [A, B, C, D, E, F, G, H, I, J, K, L]), and hand-written reports (total 40% [A, B, C, D, E, F, G, H, I, J, K, L]). (Full attendance is assumed in this calculation.)
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This course is offered for sophomore or higher grade students.
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decision making, social choice theory, Arrow's Impossibility theorem, majority rule, rationality
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This course uses printed or electronic materials in place of textbooks.
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4130430173
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「きめ方」の論理
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佐伯 胖 著,
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東京大学出版会
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1994
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4326502665
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社会的選択理論
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ジョン・クラーヴェン著,
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勁草書房
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2005-
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4755610761
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民主的決定の政治学
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ウィリアム・H・ライカー著,
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芦書房
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1991-
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Text and Materials: Japanese and English
Lecture and Discussion: Japanese
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