Diversification Strikes Again
Author | : Jay Binstock |
Publisher | : |
Total Pages | : 33 |
Release | : 2017 |
Genre | : |
ISBN | : |
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The benefits of country diversification are well-established. This article shows that the same benefits extend to equity factors, such as value, size, momentum, investment, and profitability. Specifically, country factor portfolios reflect both common variation, which we define as the global factor, and local variation. On average, a US investor could enjoy a 30% reduction in portfolio volatility by investing globally. We also document three other properties of equity factors. Like major asset classes, diversification benefits may not been uniform across regions, and factor portfolios of different countries tend to be more correlated during bear stock markets. However, unlike asset classes, the correlations of factor portfolios across countries have not been increasing over the last two decades, making global equity factors particularly desirable additions to a portfolio.