photo credit: 蔡秉耕

張永健Yun-Chien Chang

Current Appointment

Research Professor, Institutum Iurisprudentiae, Academia Sinica
Director of Center for Empirical Legal Studies, Institutum Iurisprudentiae, Academia Sinica

Education & Experiences

J.S.D., New York University School of Law (2009)
LL.M., New York University School of Law (2006)
LL.M., National Taiwan University (2003)
LL.B., National Taiwan University (2000)

Research Fields

Property Law, Land Use Regulation, Economic Analysis of Law, Empirical Legal Studies

Honors and Grants

Distinguished Article Award, Asian Law and Society Association, 2019. (first-ever recipient)
Academia Sinica Law Journal Award, 2018.
Academia Sinica Law Journal Award, 2016.
Outstanding Scholar Award, awarded by Foundation for the Advancement of Outstanding Scholarship, 2016.
Junior Investigator Award, awarded by Academia Sinica, 2015.
Scholarly Monograph Award in the Humanities and Social Sciences, awarded by Academia Sinica, 2013.
CELS Best Poster Presentation Prize, 2011. (first-ever recipient)
Li Foundation Heritage Prize “Excellence in Creativity Award”, 2010–2012 ($40,000 research funding over two years).

Other Information

Date of First Appointment：09/16/2009
Telephone：+886-2-2652-5424
Fax：+886-2-2785-9471
E-mail：kleiber@sinica.edu.tw
Personal Website：http://idv.sinica.edu.tw/kleiber/pdf/cv_en.pdf
Research Assistant：Kuan-ting Chen |+886-2-2652-5448 | ycc2@sinica.edu.tw

Research Description

Bio
Yun-chien Chang

　　Prof. Yun-chien Chang is a Research Professor at Institutum Iurisprudentiae, Academia Sinica, Taiwan and serves as the Director of its Empirical Legal Studies Center. He was or will be a visiting professor at Cornell University, Columbia University, New York University, the University of Chicago, St. Gallen University, Hebrew University of Jerusalem, and Rotterdam Institute of Law and Economics. He has also conducted research at Cornell University, Free University of Berlin, University of Paris 2, and University of Tokyo. His current academic interests focus on economic, empirical and comparative analysis of property law and land use law, as well as empirical studies of the judicial system. Prof. Chang has authored and co-authored more than 100 journal articles and book chapters. His English articles have appeared in leading journals in the world, such as The University of Chicago Law Review; Journal of Legal Studies; Journal of Legal Analysis; Journal of Law and Economics; Journal of Law, Economics, and Organization; Journal of Empirical Legal Studies; International Review of Law and Economics; European Journal of Law and Economics; Notre Dame Law Review; Iowa Law Review and the Supreme Court Economic Review, among others.

　　His monograph Private Property and Takings Compensation: Theoretical Framework and Empirical Analysis (Edward Elgar, 2013) was a winner of the Scholarly Monograph Award in the Humanities and Social Sciences. Prof. Chang (co-)edited Empirical Legal Analysis: Assessing the Performance of Legal Institutions (Routledge, 2014), Law and Economics of Possession (Cambridge UP, 2015), Private Law in China and Taiwan: Economic and Legal Analyses (Cambridge UP, 2016), and Selection and Decision in Judicial Process Around the World: Empirical Inquires (Cambridge UP, 2020). Prof. Chang is also a co-author of Property and Trust Law in Taiwan (Wolter Kluwers, 2017). He authored several books in Chinese, Compensation for Physical and Regulatory Takings of Land: Theory and Practice (Angle, 2013; 2^nd edition, 2020), Economic Analysis of Property Law, (Standard Chinese: Angle, 2015; 2^nd edition, 2020 forthcoming; simplified Chinese: Beijing UP, 2019), Empirical Legal Studies: Empirical Legal Studies: Principles, Methods, and Applications (New Sharing, 2019), and Interpreting Private Law: A Social Scientific Approach (New Sharing, 2020), and also edited Empirical Studies of the Judicial Systems 2011 (Institutum Iurisprudentiae, Academia Sinica; 2013).

　　Prof. Chang’s academic achievements have won him the Career Development Award in 2016, Outstanding Scholar Award in 2016, Academia Sinica Law Journal Award in 2016, the Junior Research Investigators Award in 2015, the Best Poster Prize at 2011 CELS, and several research grants. He serves as a Co-Editor of International Review of Law and Economics; a Consultant Editor of European Journal of Law and Economics; an Editor of Asian Journal of Comparative Law and a Panelist on American Law Institute’s Restatement Fourth, Property International Advisory Panel.

　　Prof. Chang received his J.S.D. and LL.M. degree from New York University School of Law, where he was also a Lederman/Milbank Law and Economics Fellow and a Research Associate at the Furman Center for Real Estate and Urban Policy, NYU. Before going to NYU, Prof. Chang had earned LL.B. and LL.M. degrees at National Taiwan University and passed the Taiwan bar. Prof. Chang has had working experience with prestigious law firms in Taiwan and has served as a legal assistant for the International Trade Commission.

Journal Articles

Date of Publication

Number of Publication

Yun-chien Chang, accepted, “Demolish or Not? An Empirical Study of Building Encroachment Cases in 2009–2020”, Court Case Times)
Lauren Yu-Hsin Lin, Yun-chien Chang*, accepted, “Do State-Owned Enterprises Have Worse Corporate Governance? An Empirical Study of Corporate Practices in China”, EUROPEAN BUSINESS ORGANIZATION LAW REVIEW. (SSCI) (IF: 0.723; SSCI ranking: 66.7%,90%)
Anu Bradford, Yun-chien Chang*, Adam Chilton*, Nuno Garoupa, accepted, “Do Legal Origins Predict Legal Substance?”, The Journal of Law and Economics. (SSCI) (IF: 1.032; SSCI ranking: 49.3%,55.2%)
Yun-chien Chang*, Xin Dai, accepted, “The Limited Usefulness of the Proportionality Principle”, ICON-INTERNATIONAL JOURNAL OF CONSTITUTIONAL LAW. (SSCI) (IF: 1.118; SSCI ranking: 42%)
Chang-Ching Lin, Yun-chien Chang, Kong-Pin Chen, 2020, “Knowledge in Youth is Wisdom in Age: An Empirical Study of Attorney Experience in Torts Litigation”, INTERNATIONAL REVIEW OF LAW AND ECONOMICS, 63(105913), 1–12. (SSCI) (IF: 0.806; SSCI ranking: 60%,68.8%)
Yun-chien Chang, 2020, “The Relational Nature of Property Rights: Rethinking German Civil-Law Conceptual System”, Peking University Law Journal, 2020(3): 720-742)
Yun-chien Chang, 2020, “The Property Structure of Rural Cultivated Land in China: Rethinking Membership Right and Tripartite Property Right”, Nanjing University Law Journal, Issue 1, 81–100)
Yun-chien Chang, Ivan Kan-hsueh Chiang, and Ching-fang Hsu, 2020, “Who Are Robin Hood Lawyers? Quantitative and Qualitative Studies on Legal Aid Lawyers in Taiwan”, Legal Aid and Society Review, Volume 4, pp.25-55)
Yun-chien Chang, 2020, “The Private Law Nature and Compensation Basis for Private Land Used for Public Passage: A New Path Created by Constitutional Court Interpretation No. 747”, Taipei University Law Review, Issue 113, 1-47)
Yun-chien Chang*, Su-hao Tu, 2020, “Two-way Selection Between Flat-fee Attorneys and Litigants: Theoretical and Empirical Analyses”, EUROPEAN JOURNAL OF LAW AND ECONOMICS, 49(1), 131-164. (SSCI) (IF: 0.481; SSCI ranking: 79.8%,72.5%) Relevant Links

Books (Monographs or Edited Volumes)

Date of Publication

Number of Publication

張永健，accepted，《法經濟分析——方法論與物權法應用》，臺北：元照。
張永健，未出版，《定量法律實證研究：原理、方法、應用》，北京：法律出版社。
張永健，2020，《社科民法釋義學》，共500頁，臺北：新學林。 Relevant Links
張永健，2020，《土地徵收與管制之補償——理論與實務》，共325頁，臺北：元照。 Relevant Links
張永健，2019，《物權法之經濟分析——所有權》，共381頁，北京：北京大學出版社。
張永健，2019，《法實證研究：原理、方法與應用》，共499頁，臺北：新學林。
Yun-chien Chang*, Weitseng Chen, Ying Chieh Wu, 2017, Property and Trust Law in Taiwan, 154 pages, Alphen aan den Rijn: Wolters Kluwer. Relevant Links
張永健，2015，《物權法之經濟分析（第一冊）——所有權》，共406頁，臺北：元照出版社。
Chang, Yun-chien. 2013. Eminent Domain Compensation in Taiwan: Theory and Practice. Taipei, Taiwan: Angle Publishing.) Relevant Links
Yun-chien Chang, 2013, Private Property and Takings Compensation: Theoretical Framework and Empirical Analysis, 204 pages, Northampton, Massachusetts: Edward Elgar. Relevant Links

Book Chapters

Date of Publication

Number of Publication

何漢葳、張永健*，2020，〈2001年到2016年車禍致傷判決之實證研究——數據呈現教戰手冊〉，民法研究基金會編，《民事法理論與實務的新開展——陳志雄律師八秩華誕祝壽論文集》，頁65-96，臺北：新學林。
Yun-chien Chang*, William Hubbard, 2020, “Speedy Adjudication in Hard Cases and Low Settlement Rates in Easy Cases: An Empirical Analysis of Taiwanese Courts with Comparison to US Federal Courts”, editor(s): Yun-chien Chang, Selection and Decision in Judicial Process Around the World: Empirical Inquires, pp. 73-109, Cambridge: Cambridge University Press.
Yun-chien Chang, 2020, “Judges Avoid Ex Post but Not Ex Ante Inefficiency: Theory and Empirical Evidence from Taiwan”, editor(s): Yun-chien Chang, Selection and Decision in Judicial Process Around the World: Empirical Inquires, pp. 160-178, Cambridge: Cambridge University Press.
Yun-chien Chang, 2020, “Introduction”, editor(s): Yun-chien Chang, Selection and Decision in Judicial Process Around the World: Empirical Inquires, pp. 1-5, Cambridge: Cambridge University Press.
張永健，accepted，〈法經濟分析——基本立場與教義應用〉，李晟編，《法律書評第13輯》，中國北京：北京大學出版社。
Wen-Tsong Chiou & Yun-chien Chang, 2018, “On Regulating and Punishing Economic Adulteration of Food”, editor(s): Chien-Liang Lee, 2015 Administrative Regulation and Judicial Remedies, 臺北: 中研院法律所)
Yun-chien Chang, 2017, “Empirical Description and Explanation of Civil Lawsuits in Japan, 1952–2015”, editor(s): Civil Law Research Foundation, Festschrift for Honorable Chief Judge WU Chii-Pin, 臺北: 新學林)
Yun-chien Chang, 2017, “Eminent Domain Law in Taiwan: New Law, Old Practice?”, editor(s): Iljoong Kim, Hojun Lee, Ilya Somin, Eminent Domain: A Comparative Perspective, pp. 93–117, Cambridge: Cambridge University Press.
Yun-chien Chang, 2016, “The Evolution of Property Law in Taiwan: An Unconventional Interest Group Story”, editor(s): Yun-chien Chang, Wei Shen, Wen-yeu Wang, Private Law in China and Taiwan: Economic and Legal Anaylses, pp. 212-244, Cambridge: Cambridge University Press.
Yun-chien Chang, 2016, “Introduction”, editor(s): Yun-chien Chang, Wei Shen, Wen-yeu Wang, Private Law in China and Taiwan: Economic and Legal Anaylses, pp. 1-10, Cambridge: Cambridge University Press.

Conference Papers

Date of Publication

Number of Publication

Yun-chien Chang, Daniel Klerman*, 2020, “Settlement Rates Around the World”, paper presented at Faculty Seminar, Herzliya, Israel (on-line): Radzyner Law School, Interdisciplinary Center (IDC) Herzliya, 2020-12-01.
張永健，2020，〈主題演說：以機器學習作比較法〉，發表於2020數據法學年會（線上），香港：香港中文大學，2020-12-04 ~ 2020-12-05。
Yun-chien Chang*, Geof Miller，2020，〈The Decay of Legal Precedents〉，發表於Economic History Workshop，臺灣臺北：臺灣大學經濟系，2020-12-10。
張永健，2020，〈法實證研究方法概覽：從小數據到大數據，人工智慧融合工人智慧〉，發表於2020年科技部法律學門研習營，臺灣臺南：科技部人文司、成功大學法律學系，2020-12-04。
張永健，2020，〈主題演說：以實證研究作比較法的五種取徑〉，發表於第五屆中國法律實證研究年會（線上），成都：四川大學法學院，2020-11-21。
黃詩淳*、何淑孋、張永健，2020，〈人之將死，其言也善：1793件遺囑內容的實證研究〉，發表於台灣家事裁判研究會，臺灣臺北：台灣家事裁判研究會，2020-11-28。
張永健，2020，〈比較法：方法論的反省與重構〉，發表於個人年度學術研討會，臺灣臺北：中研院法律所，2020-11-24。
Yun-chien Chang* & Daniel Klerman, 2020, “Settlement Rates Around the World”, paper presented at 實證法學學術演講系列, 臺灣臺北: 中研院人社中心, 2020-11-13.
張永健*、許菁芳、蔣侃學，2020，〈幫弱勢處理法律糾紛的法扶律師：量化與質性實證研究〉，發表於所得分配研討會，臺灣臺北：臺灣大學計量理論與應用研究中心，2020-10-23。
張永健，2020，〈比較法：方法論的反省與重構〉，發表於交大科法教授學術論壇，臺灣新竹：交大科法所，2020-10-28。

Others

Date of Publication

Number of Publication

張永健，2004，〈美國二０一鋼鐵防衛措施案爭議整理〉，《貿易調查專刊》，第12期，頁323-347。
張永健*、吳典倫，2002，〈代理孕母之法律經濟分析〉，《生物科技與法律研究通訊》，第13期，頁17-36。

Thesis/Dissertation

Date of Publication

Number of Publication

Yun-chien Chang, 2009, “Takings Compensation Assessment:Theoretical Framework and Empirical Studies”, 199 pages, School of Law, New York University.
張永健，2003，〈論藥品、健康食品、食品之管制〉，共240頁，法律學研究所，台灣大學。 (Chang, Yun-chien. 2003. Regulations of Food, Drugs, and Dietary Supplements. National Taiwan University College of Law Master Thesis.) Relevant Links

Edited Books

Date of Publication

Number of Publication

Thomas Miles、程金華、張永健，未出版，《法律實證研究：英文經典選讀》，中國北京：法律出版社。
程金華、張永健，2020，《法律實證研究：入門讀本》，共279頁，中國北京：法律出版社。
Yun-chien Chang, 2020, Selection and Decision in Judicial Process Around the World: Empirical Inquires, 296 pages, Cambridge: Cambridge University Press.
Yun-chien Chang, Wei Shen, Wen-yeu Wang, 2016, Private Law in China and Taiwan: Economic and Legal Analyses, 347 pages, Cambridge: Cambridge University Press.
Yun-chien Chang, 2015, Law and Economics of Possession, 364 pages, Cambridge: Cambridge University Press. Relevant Links
Yun-chien Chang, 2014, Empirical Legal Analysis: Assessing the Performance of Legal Institutions, 258 pages, London and New York: Routledge. Relevant Links
張永健，2013，《2011司法制度實證研究》，共272頁，臺北：中研院法律所。 Relevant Links

Research Project Report

Date of Publication

Number of Publication

張永健，2017，《事實審民事訴訟事件強制律師代理實證研究計畫》，司法院委託。
張永健，2000，《人身保險有無複保險之適用》，共65頁，國科會獎勵大專學生參與研究計畫NSC89-2815-C002-093H委託。

Book Review

Date of Publication

Number of Publication

張永健，2020，〈經濟人的法經濟學vs法律人的法經濟分析——答賀劍教授等師友之書評〉，《中研院法學期刊》，第27期，頁293-344。 (Yun-chien Chang, 2020, “[In Chinese] Law and Economics vs. Economic Analysis of Law: A Rejoinder to Prof. Jian He’s Book Review”, Academia Sinica Law Journal, Issue 27, pages 293-344)
張永健，2020，〈負負得正——對《物權法之經濟分析：所有權》書評之回應〉，《法律書評》，第13輯。
張永健，2017，〈社會科學式的比較法研究——評Mark Ramseyer. 2015. Second Best Justice: The Virtues of Japanese Private Law. The University of Chicago Press〉，《中研院法學期刊》，第20卷，頁211-249。 Relevant Links