Investing in Socially Responsible Mutual Funds

We construct optimal portfolios of mutual funds whose objectives include socially responsible investment (SRI). Comparing portfolios of these funds to those constructed from the broader fund universe reveals the cost of imposing the SRI constraint on investors seeking the highest Sharpe ratio. This SRI cost crucially depends on the investor’s views about asset pricing models and stock-picking skill by fund managers. To an investor who strongly believes in the CAPM and rules out managerial skill, that is, a market index investor, the cost of the SRI constraint is typically just a few basis points per month, measured in certainty-equivalent loss. To an investor who still disallows skill but instead believes to some degree in pricing models that associate higher returns with exposures to size, value, and momentum factors, the SRI constraint is much costlier, typically by at least 30 basis points per month. The SRI constraint imposes large costs on investors whose beliefs allow a substantial amount of fund-manager skill, that is, investors who heavily rely on individual funds’ track records to predict future performance.

Style-changing behaviour in the socially responsible mutual fund industry: consequences on financial and sustainable performance

Purpose This study aims to examine style-deviation practices in the socially responsible mutual funds (SMRF) industry i.e. how mutual funds game their stated financial objectives to earn a higher relative performance ranking. In addition, the consequences of such practices on sustainable scores and money flows are studied. Design/methodology/approach A sample of 454 US equity SRMFs is studied. This paper uses panel regressions controlling for time and style fixed-effects. Findings This study finds that 17.60% of SRMF managers in the sample are engaged in style deviation practices. These practices positively impact the sustainable performance of SRMFs and negatively impact their financial performance. One effect offsets the other and they consequently do not affect money flows. Another finding is that only investors with lower portfolio sustainability scores do show return-chaser behaviour. Practical implications This paper reveals that SRMF managers deviating from their stated financial style face a dilemma that is non-existent for their conventional peers that is style deviation practices affect financial and sustainable performance in opposing ways, whereas SRMF investor utility depends positively on both dimensions. The findings are not conclusive about the effectiveness of style deviation practices in attracting SRMF money flows. Social implications SRMF industry has experienced tremendous growth in the past decade. The increased competition in this industry has led managers to strive to attract investors, sometimes by relying on irregular practices that enhance their portfolio results. Regulators should consider how to avoid such perverse behaviour with a view to improving mutual funds transparency. Originality/value This is the first research that analyses style deviation practices and their consequences for the SRMF industry.