Abstract/Details

Predictability and dynamic asset allocation strategies


1998 1998

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Abstract (summary)

Recent evidence of predictability in asset returns has led to an increased interest in dynamic asset allocation models and trading strategies. Earlier conclusions that technical trading rules are not useful (Fama and Blume, 1966) and gains from market timing are unlikely (Sharpe, 1975) are now being questioned. While today it is widely accepted that asset returns contain predictable components, the implications of predictability remain controversial.

Many recent studies including Brock, Lakonishok, and LeBaron (1992), Bessimber and Chan (1995, 1998), Knez and Ready (1996), Kandel and Stambaugh (1994), Pesaran and Timmerman (1995) examine trading strategies and the economic significance of predictability in historical return data. In contrast, this dissertation employs a Monte Carlo simulation method to determine the level of predictability required for excess portfolio returns to a variety of strategies. Previous research (Samuelson 1991) shows that portfolio decisions depend on risk tolerance, the return process, and the investment horizon. The results in this dissertation show how several additional factors impact previous results. These factors include the frequency with which the portfolio is rebalanced, the predictability of the process, and trading costs.

It is assumed that a utility maximizing strategy is followed by an informed investor who knows the parameters governing the process for risky asset returns. The performance of this informed strategy is therefore driven solely by the level of predictability exhibited by the return processes. Several naive strategies that follow simple linear investment rules are also examined. In the absence of trading costs, the returns the to particular naive strategy that is consistent with the return process are highest when the portfolios are rebalanced frequently. However, the naive strategy performance is adversely affected by trading costs. The informed strategy exhibits optimal performance when rebalanced frequently even when trading costs are included. The risk-adjusted return performance of the informed strategy is positive at very low levels of predictability and increases 0.63% with every 1.0% increase in predictability.

Indexing (details)


Subject
Finance;
Business community
Classification
0508: Finance
0310: Business community
Identifier / keyword
Social sciences; Dynamic asset allocation; Predictability
Title
Predictability and dynamic asset allocation strategies
Author
Wilkens, Kathryn Alison
Number of pages
103
Publication year
1998
Degree date
1998
School code
0118
Source
DAI-A 59/10, Dissertation Abstracts International
Place of publication
Ann Arbor
Country of publication
United States
ISBN
9780599073944, 0599073942
Advisor
Schneeweis, Thomas
University/institution
University of Massachusetts Amherst
University location
United States -- Massachusetts
Degree
Ph.D.
Source type
Dissertations & Theses
Language
English
Document type
Dissertation/Thesis
Dissertation/thesis number
9909232
ProQuest document ID
304429946
Copyright
Database copyright ProQuest LLC; ProQuest does not claim copyright in the individual underlying works.
Document URL
http://search.proquest.com/docview/304429946
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