G6037111 International Economics 1

Hiroshima University Syllabus

Japanese

Academic Year 2025Year School/Graduate School School of Economics Economics Day Course

Lecture Code G6037111 Subject Classification Specialized Education

Subject Name 国際経済学１

Subject Name
（Katakana）コクサイケイザイガク１

Subject Name in
English International Economics 1

Instructor YAMADA DAICHI

Instructor
(Katakana) ヤマダ　ダイチ

Campus Higashi-Hiroshima Semester/Term 2nd-Year, First Semester, 2Term

Days, Periods, and Classrooms (2T) Fri5-8：ECON B257

Lesson Style Lecture Lesson Style
(More Details) Face-to-face

Credits 2.0 Class Hours/Week 4 Language of Instruction J : Japanese

Course Level 2 : Undergraduate Low-Intermediate

Course Area（Area） 24 : Social Sciences

Course Area（Discipline） 03 : Economics

Eligible Students Second year students

Keywords International trade, trade policy, comparative advantage, surplus, microeconomics

Special Subject for Teacher Education 　 Special Subject 　

Class Status
within Educational
Program
(Applicable only to targeted subjects for undergraduate students)
Criterion referenced
Evaluation
(Applicable only to targeted subjects for undergraduate students) Secondary School Social Studies/Geography/History/Civic Education
（Abilities and Skills）
・To be able to collect, understand, analyze, and evaluate data and materials about studies related to social science.
（Comprehensive Abilities）
・To be able to summarize the outcome of research, studies, education practice and social activities, and to deliver presentations.

Economic Analysis
（Knowledge and Understanding）
・Basic knowledge of logical analysis on economic issues

Class Objectives
/Class Outline We study microeconomic theories of international trades. The objective is to acquire the knowledge of and skills to analyze why trades occur, what benefits and cautions trades have, and what effects trade policies have on economy. The knowledge will form the foundational insights which enable one to examine real-world socioeconomic problems.

Class Schedule lesson1: Orientation
lesson2: Review of microeconomics (consumer theory and surplus)
lesson3: Review of microeconomics (producer theory and surplus)
lesson4: Review of microeconomics (market equilibrium and policy intervention)
lesson5: Partial equilibrium analysis of trades (small country)
lesson6: Trade policy of small country
lesson7: Partial equilibrium analysis of trades (large country)
lesson8: Trade policy of large country
lesson9: Ricardian model I
lesson10: Ricardian model II
lesson11: Ricardian model III
lesson12: Heckscher-Ohlin model I
lesson13: Heckscher-Ohlin model II
lesson14: Heckscher-Ohlin model III
lesson15: Conclusion

We will have quizzes a few times when a subtopic is completed. Final exam will be held in the exam period.

Text/Reference
Books,etc. Text
Not specifically assigned
Reference books
大川昌幸『コア・テキスト　国際経済学　第２版』新世社、2015年
西村和雄『ミクロ経済学入門第2版』岩波書店，1995年
Krugman, P., M. Obstfeld, M.J. Melitz, International economics: theory & policy. Pearson Education Limited, 2022.
クルーグマン、オブストフェルド、メリッツ『クルーグマン国際経済学：理論と政策（上）』丸善出版、2017年

PC or AV used in
Class,etc. Handouts

(More Details)

Learning techniques to be incorporated Quizzes/ Quiz format

Suggestions on
Preparation and
Review 1: Review the microeconomics and differential calculus
2: Consumer behavior, utility maximization, and consumer surplus
3: Producer behavior, profit maximization, and producer surplus
4: Social surplus and equilibrium when there is tax or subsidies
5: Changes in equilibria and surpluses due to trades (small country)
6: Effects of tariffs, subsidies and import quota (small country)
7: Changes in equilibria and surpluses due to trades (large country)
8: Effects of tariffs of large country
9: Distinction between absolute and comparative advantage
10: Idea of general equilibrium analysis and closed economy in Ricardian model
11: Mechanism through which trades occur in Ricardian model
12: Idea of Heckscher Ohlin Model
13: Mechanism through which trades occur in Heckscher Ohlin model
14: Several theorems and their implications
15: Review the course

Understanding of logic flows and examples and solving problems: all of them are fundamental for deeper learning.

Requirements There is no specific requirement. However, it is preferable to take Microeconomics I and Economic Policy I prior to this course. Knowledge of microeconomics and policy analysis needed in this course will be supplemented by instructor.

Grading Method Quizzes (approx. 30%), final exam (approx. 70%).
The grading method may be changed in case the course format is changed, such as shifting to online or hybrid lectures due to COVID or other reasons.

Practical Experience

Summary of Practical Experience and Class Contents based on it

Message Bring notebooks and PC (exercises will be assigned during the lecture, and the handout will be distributed online).

Other

Please fill in the class improvement questionnaire which is carried out on all classes.
Instructors will reflect on your feedback and utilize the information for improving their teaching.

Academic Year	2025Year	School/Graduate School	School of Economics Economics Day Course
Lecture Code	G6037111	Subject Classification	Specialized Education
Subject Name	国際経済学１
Subject Name （Katakana）	コクサイケイザイガク１
Subject Name in English	International Economics 1
Instructor	YAMADA DAICHI
Instructor (Katakana)	ヤマダ　ダイチ
Campus	Higashi-Hiroshima	Semester/Term	2nd-Year, First Semester, 2Term
Days, Periods, and Classrooms	(2T) Fri5-8：ECON B257
Lesson Style	Lecture	Lesson Style (More Details)	Face-to-face

Credits	2.0	Class Hours/Week	4	Language of Instruction	J : Japanese
Course Level	2 : Undergraduate Low-Intermediate
Course Area（Area）	24 : Social Sciences
Course Area（Discipline）	03 : Economics
Eligible Students	Second year students
Keywords	International trade, trade policy, comparative advantage, surplus, microeconomics
Special Subject for Teacher Education		Special Subject
Class Status within Educational Program (Applicable only to targeted subjects for undergraduate students)
Criterion referenced Evaluation (Applicable only to targeted subjects for undergraduate students)	Secondary School Social Studies/Geography/History/Civic Education （Abilities and Skills）・To be able to collect, understand, analyze, and evaluate data and materials about studies related to social science. （Comprehensive Abilities）・To be able to summarize the outcome of research, studies, education practice and social activities, and to deliver presentations. Economic Analysis （Knowledge and Understanding）・Basic knowledge of logical analysis on economic issues
Class Objectives /Class Outline	We study microeconomic theories of international trades. The objective is to acquire the knowledge of and skills to analyze why trades occur, what benefits and cautions trades have, and what effects trade policies have on economy. The knowledge will form the foundational insights which enable one to examine real-world socioeconomic problems.
Class Schedule	lesson1: Orientation lesson2: Review of microeconomics (consumer theory and surplus) lesson3: Review of microeconomics (producer theory and surplus) lesson4: Review of microeconomics (market equilibrium and policy intervention) lesson5: Partial equilibrium analysis of trades (small country) lesson6: Trade policy of small country lesson7: Partial equilibrium analysis of trades (large country) lesson8: Trade policy of large country lesson9: Ricardian model I lesson10: Ricardian model II lesson11: Ricardian model III lesson12: Heckscher-Ohlin model I lesson13: Heckscher-Ohlin model II lesson14: Heckscher-Ohlin model III lesson15: Conclusion We will have quizzes a few times when a subtopic is completed. Final exam will be held in the exam period.
Text/Reference Books,etc.	Text Not specifically assigned Reference books 大川昌幸『コア・テキスト　国際経済学　第２版』新世社、2015年西村和雄『ミクロ経済学入門第2版』岩波書店，1995年 Krugman, P., M. Obstfeld, M.J. Melitz, International economics: theory & policy. Pearson Education Limited, 2022. クルーグマン、オブストフェルド、メリッツ『クルーグマン国際経済学：理論と政策（上）』丸善出版、2017年
PC or AV used in Class,etc.	Handouts
(More Details)
Learning techniques to be incorporated	Quizzes/ Quiz format
Suggestions on Preparation and Review	1: Review the microeconomics and differential calculus 2: Consumer behavior, utility maximization, and consumer surplus 3: Producer behavior, profit maximization, and producer surplus 4: Social surplus and equilibrium when there is tax or subsidies 5: Changes in equilibria and surpluses due to trades (small country) 6: Effects of tariffs, subsidies and import quota (small country) 7: Changes in equilibria and surpluses due to trades (large country) 8: Effects of tariffs of large country 9: Distinction between absolute and comparative advantage 10: Idea of general equilibrium analysis and closed economy in Ricardian model 11: Mechanism through which trades occur in Ricardian model 12: Idea of Heckscher Ohlin Model 13: Mechanism through which trades occur in Heckscher Ohlin model 14: Several theorems and their implications 15: Review the course Understanding of logic flows and examples and solving problems: all of them are fundamental for deeper learning.
Requirements	There is no specific requirement. However, it is preferable to take Microeconomics I and Economic Policy I prior to this course. Knowledge of microeconomics and policy analysis needed in this course will be supplemented by instructor.
Grading Method	Quizzes (approx. 30%), final exam (approx. 70%). The grading method may be changed in case the course format is changed, such as shifting to online or hybrid lectures due to COVID or other reasons.
Practical Experience
Summary of Practical Experience and Class Contents based on it
Message	Bring notebooks and PC (exercises will be assigned during the lecture, and the handout will be distributed online).
Other
Please fill in the class improvement questionnaire which is carried out on all classes. Instructors will reflect on your feedback and utilize the information for improving their teaching.

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