From: John Conover <john@email.johncon.com>
Subject: Re: Article in Worth magazine...
Date: Sat, 22 Mar 1997 12:05:21 -0800
Rick McGeer writes: > > By the way, there's an interesting article in this month's Worth magazine > on SFI. Interesting perspective on why fractal analysis predicts the > market. > Essentially (the claim is) a market composed of traders imbued with liberal > amounts of fear and greed, and incomplete information, will produce a > fractal market. > [4] goes into the formal arguments in depth, with intuitive examples. As pointed out by Arthur[1], "... [these systems] become self-referential and deductively indeterminate. This indeterminacy pervades economics and game theory." [2] should be required reading for anyone in industry, because it is argued that industrial markets are fractal, as is all business, as argued in[3], as is the economy in general, as argued in[5]. The tsinvest program works just fine operating on P&L data, the US GDP, or semiconductor market growth/dynamics, as well as equity markets. John If you want to persue it further, much of Brian Arthur's work is on line: [1] W. Brian Arthur. "Complexity in Economic and Financial Markets." Complexity, 1, pp. 20-25, 1995. Also available from http://www.santafe.edu/arthur, February 1995. [2] W. Brian Arthur. "Competing Technologies, Increasing Returns, and Lock-In by Historical Events." Econ Jnl, 99, pp. 106-131, 1989. Also available from http://www.santafe.edu/arthur, Jun, 1988. [3] W. Brian Arthur. "Increasing Returns and the Two Worlds of Business." To appear in Harvard Business Review, July-Aug., 1996, under the title "Increasing Returns and the New World of Business," forthcoming. Also available from http://www.santafe.edu/arthur", Apr, 1996. [4] W. Brian Arthur. "Inductive Reasoning and Bounded Rationality." Amer Econ Rev, 84, pp. 406-411, 1994. Session: "Complexity in Economic Theory", chaired by Paul Krugman. Available from http://www.santafe.edu/arthur. [5] W. Brian Arthur. "Positive Feedbacks in the Economy", Scientific American, Feb. 1990. Also available from http://www.santafe.edu/arthur, Nov, 1989. And, while you are at http://www.santafe.edu, pick up: [6] William A. Brock and Pedro J. F. de Lima. "Nonlinear time series, complexity theory, and finance." To appear in "Handbook of Statistics Volume 14: Statistical Methods in Finance," edited by G. Maddala and C. Rao. New York: North Holland, forthcoming. Also available from http://www.santafe.edu/sfi/publications, March 1995. which is a survey of fractal and chaotic methodologies used in analyzing financial time series. Everyone has their favorite, and it is turning into a botany of concepts, methods and approaches. -- John Conover, john@email.johncon.com, http://www.johncon.com/