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Please read this important information before proceeding further. It contains legal and regulatory notices relevant to the information contained on this website.
The information contained in the Website is NOT FOR RETAIL CLIENTS – The information contained in the Website is solely intended for professional investors, defined as investors which (1) qualify as professional clients within the meaning of the Markets in Financial Instruments Directive (MiFID), (2) have requested to be treated as professional clients within the meaning of the MiFID or (3) are authorised to receive such information under any other applicable laws. The value of the investments may fluctuate. Past performance is no guarantee of future results. Investors may not get back the amount originally invested. Neither Robeco Institutional Asset Management B.V. nor any of its affiliates guarantees the performance or the future returns of any investments. If the currency in which the past performance is displayed differs from the currency of the country in which you reside, then you should be aware that due to exchange rate fluctuations the performance shown may increase or decrease if converted into your local currency.
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Sustainable Investing
Sin stocks
Sin stocks are shares in companies involved in activities that are considered unethical, such as alcohol, tobacco, gambling, adult entertainment or weapons.
Ethical investors tend to exclude sin stocks, as the companies involved are thought to be making money from exploiting human weaknesses and vices. It is a relative concept, though, as different cultures have different opinions on what constitutes a sin. Although sin stocks usually include alcohol, for example, brewing beer or making a fine wine can be considered a noble tradition in various regions or countries in the world. And whereas some investors exclude weapons manufacturers on moral grounds, serving in the military can be considered an act of patriotism by others.
Exclusions and screenings
Various studies show that sin stocks deliver better returns than stocks in general. There are several explanations for this. One of them is that sin stocks are undervalued because many investors avoid them. Another one is that sin industries pose increased litigation risk or reputation risk, for which investors are compensated with a risk premium.
A more recent explanation is offered by David Blitz, Head of Quantitative Research at Robeco, and Frank Fabozzi, Professor of Finance at EDHEC Business School, in their article ‘Sin Stocks Revisited: Resolving the Sin Stock Anomaly’ published in the Journal of Portfolio Management. They show that the outperformance of sin stocks can be explained by two Fama-French quality factors, ‘profitability’ and ‘investment’. The profitability factor means that stocks with a high operating profitability perform better, while the investment factor maintains that companies with high total asset growth perform worse. Sin stocks tend to have high exposure to both factors; cigarette makers, for example, enjoy high margins due to relative price inelasticity, and are restricted in how they can grow their assets.