Characterization Problems between the Conflicts Rule on the Extracontractual Obligations and those on Pre-existing Relationships between Parties

曾在《日本国际法年鉴》2001年第3期发表文章《国际私法中的婚约》。本文对日本、德国和法国有关婚约法律冲突问题的案例和理论进行了研究。笔者对损害赔偿问题的主要结论如下。本文将婚约定性为一种家庭关系，并以此类推适用《会法》第14条。本文作者将其范围扩展到存在性和物质有效性，这是独创的。曾发表《国际私法中当事人利益的定性》（东京、京都，2002年）。这本书是我关于这个主题的文章的合集，共有6章：《导论》、《第一章定性一般问题》、《第二章合同冲突规则与侵权行为冲突规则的合用问题》、《第三章国际私法中缔约过失的定性》、《第四章不当得利与当事人既存关系的定性问题》、《第五章国际私法中的婚约》。实质性修改如下：首先，新写的是“第一章第五节人物塑造方法”。在本节中，笔者通过对日本学术著作中冲突规则建构理论内容的分析，支持了冲突规则建构理论。其次，作者补充了最近出现的日本理论和学说，并回应了对作者的批评，特别是在第一章和第二章。第三，增加了日本的新决定及其说明。第四，第二章增加了对瑞士国际私法（1987年）和德国民法导则法（1999年）的研究。

I have written the article "Engagement to marry in Private International Law" in Japanese Yearbook of International Law, No.3 (2001). In this article the present author has studied Japanese, German and French cases and theories on the conflict-of-laws questions concerning engagement to marry. The main part of the present author's conclusions on the question on damages is as follows. The present author characterizes the engagement as a family relationship and applies Art.14 of the Horei by analogy. It is original that the present author extends its purview to existence and material validity.I have published "Characterization in the Party Interest in Private International Law" (Tokyo, Kyoto, 2002). This book is the collection of my articles on this subject and is in 6 Chapters : "Introduction", "Chap. 1 General Problems on Characterization", "Chap. 2 The problem of the Cocurrence of the Conflict Rule on Contract and that o Tort", "Chap. 3 The Characterization of culpa in contrahendo in the Private International Law", "Chap. 4 The Problem of Characterization between Unjust Enrichment and Pre-existing Relationships between Parties", "Chap. 5 Engagement to marry in Private International Law". Substantial revision is as follows. First, newly written is "Chap. 1 sec. 5 Method of Characterization". In this section, analyzing the content of the theories in the Japaese academic writings, the present author has supported the theorie of construction of conflict rules. Secondly, the present author has added the recently appeared Japanese theories and doctrines and responded to the criticism against those of the present author, especially in Chap. 1 and 2. Thirdly, new Japanese decisions and notes on them has been added. Fourthly, in Chap. 2 the study on the Swiss Private International Law (1987) and the German Itroductory Law to the Civil Law (1999) has been added.