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Please use this identifier to cite or link to this item: https://ah.nccu.edu.tw/handle/140.119/46328


Title: Bridging the Gap between Nonlinearity Tests and the Efficient Market Hypothesis by Genetic Programming
Authors: 陳樹衡
Chen, Shu-heng;Yeh, Chia-Hsuan
Date: 1996-03
Issue Date: 2010-10-06 11:32:14 (UTC+8)
Abstract: Applies the genetic programming (GP) based notion of unpredictability to the testing of the efficient market hypothesis (EMH). This paper extends the study of Chen and Yeh (1995) by testing the EMH with a small, medium and large sample of the S&P 500 stock index. It is found that, in terms of the prediction performance, the probability π2(n) that GP can beat the random walk tends to have a negative relation to the size of the in-sample dataset. For example, when the sample size n is 50, 200 and 2000, then π2 (n) is 0.5, 0.2 and 0, respectively. This therefore suggests that, while nonlinear regularities could exist, they might exist in a very short span. As a consequence, the search costs of discovering them might be too high to make the exploitation of these regularities profitable; hence, the EMH is sustained
Relation: Computational Intelligence for Financial Engineering, 1996., Proceedings of the IEEE/IAFE 1996 Conference on
Date of Conference:
24-26 Mar 1996
Page(s):
34 - 40
Data Type: conference
DOI link: http://dx.doi.org/10.1109/CIFER.1996.501820
Appears in Collections:[Department of Economics] Proceedings

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