Our epic piece on factors from a few weeks ago is still ringing in our own ears: Are factors even real? Or just data-mining?
The conclusion: who knows. We need more data.
And more data we can find. To include a recent master’s thesis on nordic country equities, which looks at Size, value, momentum, profitability and investment in a stock market that hasn’t been data-dredged as heavy as the US.
Here is the paper.
Here is the abstract:
This thesis is concerned with uncovering whether return pattern effects from some of the most well-known factor models are present in a non-US sample. In a two-part analysis, taking both the theoretical academic perspective and the practical industry perspective, equity returns on the Nordic capital market (Sweden, Denmark, Norway and Finland) are scoured for evidence of factor patterns to size, value, momentum, profitability and investment. Fama & French’s methods for constructing the factor models are utilized when taking the academic perspective to factor effects, and investigating the ability of four factor models to price equity returns. The Fama & French (1993) three-factor model, Carhart (1997) four-factor model, Fama & French (2015) five-factor model, and a combinational six-factor model are estimated using ordinary least squares. Inference about the relevance of the factor models are made based on hypothesis tests on single models in the cross section of returns, and joint tests across the estimated models. While none of the factor models provide complete descriptions of variations in the cross section,an ability to explain between below 20-32% of the dependent portfolios, provides indication that factor effects are prevalent on the Nordic equity markets. In the second part of the thesis’ analysis, the thesis takes the industry perspective and evaluates the possible factor patterns as trade proposals instead. First, the simple, individual factor portfolios are evaluated on their performance during different market conditions in the 25 years from 1991-2015. Several of the long-short factor portfolios have provided attractive risk-return proposals, indicating factor return patterns in Nordic equities. From the individual portfolios, much inspired by the value-momentum findings of Asness, Moskowitz & Pedersen (2013), combinational factor portfolios are constructed in order to uncover diversification benefits between the factor effects. Simple portfolio combinations are constructed, as well as more complex mean variance optimized portfolios. The thesis is able to uncover a superior factor investment portfolio that has provided market-insensitive alpha the 25 years in which it would have been applied.Overall, both the academic and industry perspective to factor patterns in returns presents compelling evidence towards the presence of factor effects on the Nordic markets.
One of the great charts in the paper:
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President’s Day Factor Investing Geekout originally appeared on http://blog.alphaarchitect.com/?p=27132