Econometric Modeling

Econometric Modeling, Quantification and the Subjective Mind

Ishizuka, Nathalie, “Travel inside the Mind of an Executive: To Hell, Back and Beyond,” Analyzes the extensive daily self-rated data by one of Dr. Yukio Ishizuka’s patients over a five month period of dramatic change (200 pages), Econometric Modeling Applied to Examine Model on Well-being and Happiness, July 1996.

Kishi, N., “A Man Who Dares: A Psychiatrist who Quantifies the Human Mind,” Bushu Weekly, November 4,1993. Interview with Dr. Ishizuka.

Casey, E., “A New Computer Tool,” Wall Street Micro News, Oct. 1985.

Wadie, M., “Psychiatric Software Moves Ahead,” American Business, Winter 1986. Interview article with Dr. Ishizuka.

Samuels, R. Ph.D., “Life-Track,” Computer Software Review, Psychotherapy in Private Practice, Spring 1986.

Ishizuka, Yukio. “Breakthrough Intimacy – Treating Personality” APA (American Psychiatric Association) Annual Meeting, San Diego, May 2007. The paper discusses the quantified results of 1,172 patients treated with Lifetrack method over the last 20 years.

Ishizuka, Nathalie and Ying Zhao, “Applying quantitative modeling to the study of the Mind,” Submitted in class on quantitative methods at Haas School of Business, May 1998.


In this paper we will use Dr. Yukio Ishizuka’s model of mental health (Ishizuka, 1982, 1988) and the extensive daily self-rated data presented by one of his patients (who shall be called Mike) to better understand whether inescapable causes of well-being really exist. Simple multiple regression will be used to allow the reader the pleasure of jumping into Mike subjective world.

It is the hope of the authors that the theory, data and methodology found in this research can in time lead to (1) better understand the nature and interaction of human psychological needs for self-actualization, (2) provide the first quantifiable means to examine and refine an understanding of psychological health from a systems perspective, and (3) explain how subjective perceptions of a person’s sense of self, intimacy and achievement can contribute to overall psychological health.

This paper is a shorter version that builds on the earlier work by Ishizuka, Nathalie “Travel Inside the Mind of an Executive: To Hell, Back and Beyond.”

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