By Guido Baltussen, Laurens Swinkels, Pim van Vliet, January 2019
In this paper, we examine 24 global factor premiums across the main asset classes via replication and new-sample evidence spanning more than 200 years of data. Replication yields ambiguous evidence within a unified testing framework with methods that account for p-hacking. The new-sample evidence reveals that the large majority of global factors are strongly present under conservative p-hacking perspectives, with limited out-of-sample decay of the premiums. Further, utilizing our deep sample, we find global factor premiums to be not driven by market, downside, or macroeconomic risks. These results reveal strong global factor premiums that present a challenge to asset pricing theories.
By David Blitz, Pim van Vliet, 2008
In this paper we examine global tactical asset allocation (GTAA) strategies across a broad range of asset classes. Contrary to market timing for single asset classes and tactical allocation across similar assets, this topic has received little attention in the existing literature. Our main finding is that momentum and value strategies applied to GTAA across twelve asset classes deliver statistically and economically significant abnormal returns. For a long top-quartile and short bottom-quartile portfolio based on a combination of momentum and value signals we find a return exceeding 9% per annum over the 1986-2007 period. Performance is stable over time, also present in an out-of-sample period and sufficiently high to overcome transaction costs in practice. The return cannot be explained by implicit beta exposures or the Fama French and Carhart hedge factors. We argue that financial markets may be macro inefficient due to insufficient 'smart money' being available to arbitrage mispricing effects away.
David Blitz, Joop Huij, Martin Martens, August 1, 2009
In this paper we examine a momentum strategy based on residual stock returns. We find that residual momentum exhibits risk-adjusted profits that are about twice as large as those associated with total return momentum. Moreover, we find that the main arguments that have been put forward in the academic literature to rationalize momentum are unsuccessful in explaining residual momentum. Our results have important implications for the theoretical debate on market efficiency as well as the practical implementation of momentum trading strategies.
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