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

Private 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 Free University of Berlin, University of Paris II, and University of Tokyo. His current academic interests focus on economic, empirical and comparative analysis of private law (particularly property 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 Journal of Legal Studies; Journal of Legal Analysis; Journal of Law and Economics; American Law and Economics Review; Journal of Law, Economics, and Organization; Journal of Empirical Legal Studies; International Review of Law and Economics; European Journal of Law and Economics; I˙Con; the University of Chicago Law Review; 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 published in China and Taiwan, 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, 2021; simplified Chinese: Beijing UP, 2019), Empirical Legal Studies: Empirical Legal Studies: Principles, Methods, and Applications (New Sharing, 2019; simplified Chinese, 2021 forthcoming), and Interpreting Private Law: A Social Scientific Approach (New Sharing, 2020), and also (co-)edited The Empirical Legal Studies Reader I: Domestic Perspectives (The Law Press, 2020) and 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

張永健，2021，〈拆，還是不拆？ ──2009至2020年越界建築判決的實證研究〉，《裁判時報》，103期, 84-101。
Lauren Yu-Hsin Lin, Yun-chien Chang*, to appear, “Do State-Owned Enterprises Have Worse Corporate Governance? An Empirical Study of Corporate Practices in China”, EUROPEAN BUSINESS ORGANIZATION LAW REVIEW. (SSCI) (IF: 0.431; SSCI ranking: 98.7%,86.5%)
Yun-chien Chang*, Nuno Garoupa, Martin Wells, to appear, “Drawing the Legal Family Tree: An Empirical Comparative Study of 170 Dimensions of Property Law in 129 Jurisdictions”, JOURNAL OF LEGAL ANALYSIS. (SSCI) (IF: 1.727; SSCI ranking: 22.6%)
Anu Bradford, Yun-chien Chang*, Adam Chilton*, Nuno Garoupa, to appear, “Do Legal Origins Predict Legal Substance?”, The Journal of Law and Economics. (SSCI) (IF: 0.958; SSCI ranking: 67.6%,55.5%)
Yun-chien Chang, Geoffrey Miller, to appear, “Regional Common Law”, The Journal of the Legal Profession.
Yun-chien Chang*, William Hubbard, to appear, “New Empirical Tests for Classic Litigation Selection Models”, AMERICAN LAW AND ECONOMICS REVIEW. (SSCI) (IF: 0.963; SSCI ranking: 67%,54.8%)
張永健，to appear，〈繼承標的之一般理論——中國民法總則第124條未回答的問題〉，《中外法商評論》。
Yun-chien Chang, to appear, “Adverse Possession Laws in 156 Jurisdictions: Proposal for Reform”, UNIVERSITY OF PENNSYLVANIA JOURNAL OF INTERNATIONAL LAW. (SSCI) (IF: 0.452; SSCI ranking: 85.2%)
Yun-chien Chang, 2020, “The Good-Faith Purchase Doctrine in 247 Jurisdictions”, European Property Law Journal, 9(2–3), 133–156. (EBSCO, ProQuest)
Yun-chien Chang*, Xin Dai, to appear, “The Limited Usefulness of the Proportionality Principle”, ICON-INTERNATIONAL JOURNAL OF CONSTITUTIONAL LAW. (SSCI) (IF: 1.51; SSCI ranking: 31%)

Books (Monographs or Edited Volumes)

Date of Publication

Number of Publication

張永健，2021，《法經濟分析——方法論與物權法應用》，共563頁，臺北：元照。
張永健，未出版，《定量法律實證研究：原理、方法、應用》。
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。
張永健，2013，《土地徵收補償：理論、實證、實務》，共177頁，臺北：元照。 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

張永健，to appear，〈損害賠償（之債）作為公因式？大民法典理論下的反思〉，蘇永欽教授七秩祝壽論文集編輯委員會編，《蘇永欽教授七秩祝壽論文集》，臺北：元照。
張永健，to appear，〈損害賠償之債 ——5800筆判決的實證社科法學研究〉，蘇永欽教授七秩祝壽論文集編輯委員會編，《蘇永欽教授七秩祝壽論文集》，臺北：元照。
張永健，2020，〈法經濟分析——基本立場與教義應用〉，李晟編，《法律書評第13輯》，頁3-16，中國北京：北京大學出版社。
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.
邱文聰*、張永健，2018，〈假作真時真亦假——論管制與處罰攙偽假冒食品〉，李建良編，《2015行政管制與行政爭訟》，頁327-402，臺北：中研院法律所。
張永健，2017，〈日本1952年到2015年民事訴訟的實證描述與解釋〉，民法研究基金會編，《民事法的學思歷程與革新取徑——吳啟賓前院長八秩華誕祝壽論文集》，頁187-206，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.

Conference Papers

Date of Publication

Number of Publication

Yun-chien Chang，2021，〈Adverse Possession Laws in 203 Jurisdictions: Proposals for Reform〉，發表於Faculty Workshop，Ithaca, NY：Cornell Law School，2021-04-09。
張永健，2021，〈損害賠償之債 ——5800筆判決的實證社科法學研究〉，發表於法學的想像——蘇永欽講座教授七秩祝壽研討會，臺北：政治大學法學院，2021-03-27。
張永健，2021，〈損害賠償（之債）作為公因式？大民法典理論下的反思〉，發表於法學的想像——蘇永欽講座教授七秩祝壽研討會，臺北：政治大學法學院，2021-03-27。
Yun-chien Chang*, Siehchuen Huang, Su-Li Her, 2021, “Gender Preference in Testate Succession: An Empirical Study of Wills”, paper presented at Asian Trust and Wills Workshop, On-line: University of Iowa Law School, 2021-03-18 ~ 2021-03-19.
Yun-chien Chang, Daniel Klerman*, 2021, “Settlement Rates Around the World”, paper presented at Law & Economics Seminar, Cambridge, MA: Harvard Law School, 2021-03-09.
Yun-chien Chang*, Geoffrey Miller，2021，〈Things Fall Apart: Decay of Precedent in State Supreme Courts〉，發表於EMLE 2021 Mid-term Meeting，On-line：University of Hamburg，2021-02-11。
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。

Others

Date of Publication

Number of Publication

Xin Dai, Yun-chien Chang*, to appear, “Cost-Benefit Reasoning Versus Proportionality: A Rejoinder”, ICONnect.
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。 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，〈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，頁115-139。
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。
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