Stjärntydning - En undersökning av riskaversionsnivåns påverkan på Morningstar Rating och dess konsekvenser för individuella småsparare

Abstract

This paper investigates whether Morningstar Rating assesses the historical risk of mutual funds in an accurate way with respect to retail investors’ level of risk aversion, or if a higher utility could be reached if the risk aversion coefficient was variable rather than fixed at level 2. The test is conducted through an evaluation of the performance during the financial crisis 2007-2008 for the Swedish open-end funds that performed best according to Morningstar Rating during the five preceding years. In the selection of the best performing funds, the risk aversion coefficient takes values between 1-6. We find that the current risk adjustment excludes the most risky funds and having the coefficient variable only increases the retail investors’ utility marginally.