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När hållbarheten möter lönsamheten: En kvantitativ analys av ESG och fondavkastning i Sverige
Södertörn University, School of Social Sciences, Business Studies.
Södertörn University, School of Social Sciences, Business Studies.
Södertörn University, School of Social Sciences, Business Studies.
2025 (Swedish)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

Over the past decade, sustainability has become a key factor in investment decisions, with the ESG framework (Environmental, Social, Governance) measuring corporate responsibility and risk management. Amid new regulations like SFDR and CSRD, Swedish equity funds have increasingly integrated ESG ratings. 

The purpose of this study is to empirically investigate how ESG ratings, both aggregated and disaggregated into Environmental (E), Social (S), and Governance (G) dimensions, impact the five-year returns of Swedish equity funds. By incorporating risk-adjusted measures (Sharpe ratio, beta, and Jensen’s alpha), the analysis isolates the effects of ESG from traditional risk factors.

A quantitative approach was employed using Morningstar data on 60 Swedish equity funds over 2020–2025. Descriptive statistics and Pearson correlations were calculated between ESG scores (aggregate and E, S, G) and five-year returns. Separate OLS regression models were estimated for each ESG dimension, with Sharpe ratio, beta, and Jensen’s alpha included as control variables. Multicollinearity was assessed via VIF, and heteroskedasticity tested using the Breusch-Pagan procedure. Statistical significance was evaluated and model fit reported through R².

Efficient Market Hypothesis (EMH), Behavioral Finance and Modern Portfolio Theory (MPT) are all central theories in this study. 

The conclusion is that the market quickly prices in social and environmental signals but that good governance can still provide measurable return benefits over time. The study provides a clear recommendation to analyze the ESG dimensions separately and combine them with classical risk measures for better investment decisions.

Abstract [sv]

Under det senaste decenniet har hållbarhet blivit en nyckelfaktor i investeringsbeslut, där ESG-ramverket (Environmental, Social, Governance) mäter företags ansvar och riskhantering. I och med nya regelverk som SFDR och CSRD integrerar svenska aktiefonder i allt högre grad ESG-värderingar. 

Syftet med denna studie är att empiriskt undersöka hur ESG, både aggregerade och uppdelade i dimensionerna miljö (E), socialt ansvar (S) och bolagsstyrning (G), förklarar den femåriga avkastningen för svenska aktiefonder. Genom att inkludera riskjusterade mått (Sharpe-kvot, beta och Jensens alfa) isolera effekterna av ESG från traditionella riskfaktorer.

Ett kvantitativt tillvägagångssätt användes med hjälp av Morningstar-data för 60 svenska aktiefonder under 2020 - 2025. Beskrivande statistik och Pearson-korrelationer beräknades mellan ESG-poäng (aggregerat och E, S, G) och femårsavkastning. Separata OLS-regressionsmodeller beräknades för varje ESG-dimension, med Sharpe-kvot, beta och Jensens alfa som kontrollvariabler. Multikollinearitet bedömdes med hjälp av VIF och heteroskedasticitet testades med Breusch-Pagan-proceduren. Statistisk signifikans utvärderades och modellanpassningen visades genom R².

Efficient Market Hypothesis (EMH), Behavioral Finance och Modern Portfolio Theory (MPT) är de centrala teorierna i denna studie. 

Slutsatsen är att marknaden snabbt prisar in sociala och miljömässiga signaler men att god bolagsstyrning ändå kan ge en mätbar avkastningsfördel över tid. Studien ger en tydlig rekommendation att analysera ESG-dimensionerna separat och kombinera dem med klassiska riskmått för bättre investeringsbeslut.

Place, publisher, year, edition, pages
2025. , p. 78
Keywords [en]
ESG ratings, Environmental (E), Social (S), Governance (G), Swedish fund market, risk measures, risk-adjusted returns.
Keywords [sv]
ESG-betyg, miljö (E), socialt ansvar (S), bolagsstyrning (G), Svenska fondmarknaden, riskmått, riskjusterad avkastning.
National Category
Business Administration
Identifiers
URN: urn:nbn:se:sh:diva-57619OAI: oai:DiVA.org:sh-57619DiVA, id: diva2:1974655
Subject / course
Business Studies
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Examiners
Available from: 2025-06-27 Created: 2025-06-23 Last updated: 2025-10-07Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
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