Decomposing the price-earnings ratio

Authors: Anderson, Keith; Brooks, Chris

Source: Journal of Asset Management, Volume 6, Number 6, 1 March 2006 , pp. 456-469(14)

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Abstract:

The price-earnings (P/E) ratio is a widely used measure of the expected performance of companies, and it has almost invariably been calculated as the ratio of the current share price to the previous year's earnings. The P/E of a particular stock, however, is partly determined by outside influences such as the year in which it is measured, the size of the company, and the sector in which the company operates. Examining all UK companies since 1975, the authors propose a modified P/E ratio that decomposes these influences. A regression is then used to weight the factors according to their power in predicting returns. The decomposed P/E ratio is able to double the gap in annual returns between the value and glamour deciles, and thus constitutes a useful tool for value fund managers and hedge funds.Journal of Asset Management (2006) 6, 456-469; doi:10.1057/palgrave.jam.2240195

Document Type: Research article

DOI: http://dx.doi.org/10.1057/palgrave.jam.2240195

Affiliations: 1: 1Faculty of Finance, Cass Business School, City University, 106 Bunhill Row, London EC1Y 8TZ, UK., Tel: +44 (0)20 7040 5168, Fax: +44 (0) 20 7040 8881, Email: C.Brooks@city.ac.uk

Publication date: 2006-03-01