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Constructing Social Portfolios: A Quantitative versus Screening Approach

By Alina Hofer, Lea Katharina Kasper & Dr. Kristjan Jespersen

◦ 5 min read ◦

When we talk about ESG, one could argue that there is a strong bias focused on climate investing, reaching net zero targets as well as good corporate governance and diversity themes. But there is much more to ESG. The “Social” dimension of ESG is hugely under explored and developed and covers under studied issues such as how companies treat their employees and care for the responsibility of their products. Still further, assessments linked to human rights codes and social impacts is only now receiving the attention it truly deserves. Although the importance of these topics is undisputed, we see that attention to particularly address the social dimension has been lacking, whereas awareness of other ESG risks has been rising immensely during the past years.

Not only is the general knowledge and focus on the social dimension of ESG limited, its overall implementation in portfolio management has not been sufficiently experimented with and addressed.

The delay to properly implement the “S” in ESG is often explained because of the challenges to quantify, assess, and integrate social factors generally.

However, this argument should not be a sufficient justification for neglecting the “S” in ESG and for investigating a possible relationship between a good social rating and superior financial performance. To tackle this lack of awareness, we constructed two portfolios which integrate Refinitiv’s Social ratings based on different integration strategies and test their performance towards the market between 2012-2021.

When integrating social – or other ESG – ratings into the investment process, we find there is often disagreement on how to best consider these factors in portfolio construction. Currently, it is most common to apply screening or best-in-class strategies. These approaches aim to remove assets that do not fulfill certain criteria from a defined investment universe. Negative screening would mean to remove those companies that perform worst from the pool of assets. Inversely, an investor could also only continue with those firms who at least have a certain minimum rating. For both approaches, the portfolio weights are then allocated to the assets that remain. This is done using conventional indicators such as value, size or expected risk-adjusted returns. In our study, we, however observe a clear shortcoming of this approach: After screening out the worst 10% “social performers” and allocating weights based on a risk-return trade-off, the portfolio does not necessarily promise a higher overall ESG score than a portfolio would reach which does not consider the ratings at all. Although the portfolio yields a solid financial performance, this raises the question whether any ESG-related impact has been made with this integration approach.

To make sure an investor can improve his exposure to assets that score well in the social dimension, we integrate the rating scores directly into the optimization problem of our second portfolio. This leads to a very different outcome on the social rating:

Looking closer at the mechanics of this approach, we extend the traditional Sharpe Ratio with the ESG factor, meaning to add by how much it a company “outscores” the market average. This results in the following “Social Sharpe Ratio”:

We add a fifty percent weight split, which can be flexibly adjusted towards investor preferences. And we now balance a risk-return-social trade-off. This explains why the second approach over 9 years constantly beats the market average in respect to the integrated Social factor without sacrificing any performance on the financial side. In fact, we find that in 5 out of 9 years, the second strategy would have also led to higher risk-adjusted returns measured by the Sharpe ratio. Moreover, returns were consistently higher compared to the market benchmark. This result is quite remarkable, given that it is often questioned whether investors need to sacrifice returns in order to make their investments more socially responsible.

Lastly, our study resulted in one more unforeseen twist when it comes to integrating ESG ratings. That is, the question whether we can actually trust the rating scores. To answer this, we must first understand how scores are created. Rating providers look at an immense amount of publicly disclosed information, reports and policies. And based on what company’s report, rating scores are aggregated. However, it is clear that a firm would only report on things they do well. In fact, we observe that with increased reporting, ESG scores also improve. But what about the real-life actions and impacts? Some rating providers offer a combined score, which also considers media reports on the involvement in controversial actions. As these scores are only available at an aggregate level, we calculate them on a single-pillar level using Refinitiv’s methodology, which adjusts for firm size and industry. Looking at specific examples in our portfolios, we found that the impact of such controversy involvement on the overall score could still be larger. Nevertheless, we stress that in order to have a complete picture of a firm’s ESG behavior, the impact of these controversies needs to be reflected in investment decisions.

To sum up, given the results of our research, there are three things we aim to highlight:

It is crucial to increase investors’ awareness of “Social” matters and provide a better landscape for impact investments in this specific dimension.
Integrating ESG ratings does not always promise a better ESG performance for the whole portfolio. Therefore, it is necessary to focus on strategies that lead to actual impact.
Third, looking beyond the information that is disclosed by companies themselves, more attention should also be addressed to “real life actions” when making investment decisions.

About the Authors

Lea Kasper has recently graduated with a MSc. in Finance and Investments (cand.merc.) from Copenhagen Business School. Her interest and enthusiasms about sustainability and how to more efficiently integrate non-financial factors in investment decision-making contributed to her choice to further investigate this topic throughout the master thesis.

Alina Hofer has recently graduated with a MSc. in Finance and Investments (cand.merc.) from Copenhagen Business School. Being passionate about creating impact through ESG-aligned investments, she was excited to further focus on her interest in this field throughout the master thesis.

Kristjan Jespersen is an Associate Professor at the Copenhagen Business School. He studies on the growing development and management of Ecosystem Services in developing countries. Within the field, Kristjan focuses his attention on the institutional legitimacy of such initiatives and the overall compensation tools used to ensure compliance.

Image source: SustainIt

ESG investing in a changing regulatory environment: investing in active or passive ESG financial products?

By Marco Morazzoni and Dr. Kristjan Jespersen

◦ 8 min read ◦

The impending climate crisis emphasizes the need to mobilize large-scale investments to finance the transition towards a more sustainable and inclusive economy. The financial sector plays a pivotal role in this context, as it allocates capital from investors who wish to pursue financial and non-financial objectives to corporations and stakeholders who need these resources to empower the sustainability transition.

Over the past decades, individual investors have become aware of the risks inherent in unsustainable business practices, being increasingly interested in financial products that combine a competitive risk-adjusted return with Environmental, Social and Governance (ESG) criteria. Despite the increase in funds, indices and benchmarks that include ESG dimensions, the universe of ESG financial products remains difficult to navigate for individual investors due to the range of investment strategies that can be used to pursue ESG goals, such as negative and positive screening, best-in-class, ESG integration, impact investing and ESG engagement. In addition to ESG strategic considerations, investors ought to consider the level of active management inherent in their ESG products, since it has considerable implications for financial returns and the ESG objectives pursued.

In fact, while some financial products have an active investment approach, trying to beat a reference benchmark, others merely aim to replicate the ESG impact and financial performance of an index.

‘Active versus passive’ debate

The literature on conventional active and passive investing is almost unanimously in favour of long-term passive investing, due to active managers’ inability to consistently beat the market and to the lower fees charged by passive funds. However, the ‘active versus passive’ debate in the context of ESG investing is more nuanced. This is because ESG investing entails the pursuit of intangible and hardly quantifiable goals that go beyond the achievement of mere financial returns. Furthermore, due to the different definitions and methodologies used in the assessment of ESG performance and the resulting unrealiablity of ESG data, the trade-off between impact and financial returns can be difficult to reconcile.

A study conducted on 78 ESG active mutual funds and 15 ESG exchange-traded funds (ETFs) seeks to contribute to the debate by illuminating the financial and non-financial features that characterize these sustainable financial products. The funds were selected from Morningstar Direct according to specific criteria, such as: availability of an ESG rating, European domicile, invested in equity, active investment approach (for mutual funds) and passive investment approach (for ETFs).

By constructing an equally-weighted portfolio for the selected ESG active mutual funds and ESG ETFs, the study used the CAPM, three-factor, four-factor and five-factor model to compare the portfolios’ risk-adjusted perfromance before and after fees. To increase the robustness of the study, the regression analysis was conducted on various market benchmarks, such as MSCI World, STOXX Europe 600, MSCI World ESG Leaders and MSCI Europe ESG Leaders.

The regression results indicated that the ESG active portfolio outperformed the ESG passive portfolio both before and after accounting for management fees. Controlling for the criteria used in the selection of the funds, the active outperformance could be attributed to the funds’ instrinsic characteristics, such as investment orientation, ESG investment approach and ESG scores. Accordingly, 77% of the ESG active portoflio had a global investment orientation compared to 27% of the ESG ETF portfolio. This entails that the active portolio covered more geographies, exhibiting higher diversification and improved risk-mitigation.

Further, 83% of the active portfolio practiced ESG engagment, a strategy that previous literature associates to superior financial returns and improved ESG impact.

By engaging with companies on ESG issues, ESG active funds may have been able to help ‘lagging’ firms improve their ESG performance, while enabling ‘leading’ firms to address their ESG issues. With respect to ESG scores (Morningstar and MSCI), the active portfolio displayed a lower overall ESG score compared to the ESG ETF portfolio. This finding could suggest that the active portfolio invested in lower rated companies on average, with the objective of helping them transform their ESG strategy and thus pursue higher risk-adjusted returns.

Insights to individual investors in ESG financial products

Recognizing the limitation derived from the small sample size and the fact that the active outperformance might be due to the specific funds selected, the findings were used to provide a set of insights to individual investors who wish to invest in ESG financial products.

Firstly, individual investors were categorised into ESG-unaware, ESG-aware and ESG-motivated, according to the investor labels used by Pedersen et al. (2021) “Responsible investing: The ESG-efficient frontier”. This categorization simplified reality to the extent that it became easier to derive actionable insights. Furthermore, it provided more granularity with respect to investors’ prerogatives regarding the trade-off between the pursuit of an ESG impact versus a risk-adjusted return.

Based on this categorization, investors who disregard ESG information (ESG-unaware) should invest passively in broad conventional ETFs or in a diversified portfolio of more specific conventional ETFs.

Investors who consider ESG information for risk-mitigation purposes (ESG-aware) ought to focus on the level of selectivity displayed by active managers in their stock-picking activity, measured in terms of high/low R-squared. If active managers are highly selective (low R-squared), ESG-aware investors may consider foregoing part of their return, due to the higher active management fees, and thus benefit from managers’ ability to pursue a greater ESG impact and potentially higher risk-adjusted returns.

Conversely, if active managers exhibit low selectivity with respect to a reference benchmark (high R-squared), investors would be better off investing passively in broad ESG ETFs or in a diversified portfolio of more specific ESG ETFs. Lastly, ESG-motivated investors may be better off investing in ESG active funds who practice ESG engagement, as the higher fees charged by these funds would worthwhile, given the superior ESG impact inherent in ESG engagment strategies.

Regulatory considerations

In addition to the empirical findings, the study also included regulatory considerations in the assessment of the suitability of active versus passive ESG financial products for individual investors. This was critical, since the new MiFID for sustainability preferences will come into force on the 2^nd of August 2022.

According to this regulation (2021/1253), investment firms will be obliged to ask their clients about their sustainability preferences and find out whether they are interested in sustainable financial products. If the answer is affirmative, financial advisors will only be allowed to offer MiFID-aligned products to their clients. A MiFID-aligned product will have to include a minimum portion of ‘environmentally sustainable Investments’ (SFDR article 9), EU Taxonomy-aligned investments, or enhanced article 8 investments, consisting of article 8 investments (SFDR article 8) which also include Principal Adverse Impact (PAI) indicators.

Linking the new regulatory requirements to the findings of this empirical research, it is reasonable to expect that ESG-unaware investors will no longer exist, as investment firms will be legally required to inform these clients about the ESG implications inherent in their investments. This will give rise to an increase in supply of sustainable financial products (MiFID-aligned), as investment firms strive to keep up with the increased demand for these products. The rise in supply will most likely be larger than the increase in demand, since a portion of the new ESG-aware investors might continue disregarding ESG information, if ESG financial products are priced unreasonably (excessively high management fees). This will ultimately lead to higher competition among investment firms, with a consequent downward pressure on fees in the long-run. Lower investment costs could subvert individual investors’ incentives, as they decide on whether to invest in ESG active or passive funds. Accordingly, it might become desirable for ESG-aware investors to invest in ESG active funds who practice ESG engagement, as opposed to it being a strategy exclusively suitable for ESG-motivated investors.

The information contained in this blog post is not to be taken as constituting the giving of investment advice or recommendation. The reader is acting for its own account, and they will make their own independent decisions as to whether any investment is appropriate based upon their own judgment.

About the Author

Marco Morazzoni is a recent graduate in MSc Applied Economics and Finance from Copenhagen Business School. Having an interest in finance and ESG, he wrote his master’s thesis on “ESG exchange-traded funds versus ESG active funds: how can individual investors pursue ESG objectives while achieving competitive risk-adjusted returns?”

Photo: Khanchit Khirisutchalual on iStock

How do we think about sustainable investing? Suggestions from an exploratory study

By Margherita Massazza & Dr. Kristjan Jespersen

◦ 4 min read ◦

From the outset, this blog post takes the perspective that behavioral finance is required to assess the perceived tension in sustainable investing (SI). Our work investigates the extent to which sustainability considerations are included in investment decisions, and the drivers behind SI approaches.

Sustainability is increasingly integrated in financial markets, with the acronym “ESG” (Environment, Social, Governance) becoming an all-encompassing term widely used in all phases of the investment process. According to a recent global review, sustainable assets [1] reached USD 35.3 trillion at the end of 2019, representing 35% of total professionally managed assets, and they are set to grow further in the coming years. Yet, despite its growth and the positive sentiment associated with it, there is an inherent tension in sustainable investing.

This tension stems from the apparent disconnect between the theoretical assumptions of classical financial models, focused on risk and financial returns as the predominant determinants of investment decisions (e.g., Capital Asset Pricing Model, Modern Portfolio Theory, etc.), and the empirical evidence of SI, where portfolio allocations are affected by non-financial aspects like personal values and social pressures. How can we make sense of this tension?

Usually, the contradiction is formulated in terms of a tradeoff between financial returns and ESG impact: in order to achieve one, investors must forego the other. However, this view is still rooted in a traditional finance perspective, according to which including ESG considerations or seeking a non-monetary impact comes at the expenses of returns.

There needs to be more nuance in how sustainable investing decisions are investigated and assessed. Given the pervasive and engaging nature of ESG issues, sustainable investing is likely shaped by internal and external forces that go beyond the financial-vs-impact debate. By acknowledging the role that cognitive limitations, biases, and the external context play for investments, behavioral finance allows to capture the financial impact of factors that tend to be overlooked in mainstream financial theories.

Under this perspective, the authors carried out a study based on primary data from European retail and professional investors. It focused on two main questions:

To what extent are sustainability considerations included in investment decisions?

Firstly our analysis broke down the relative importance of four attributes for the investment choice, i.e. the relative weight (expressed in percentage) that each characteristic exert on the investment decision. Sustainability attributes carry a relative importance of about 38%, with ESG score displaying a 26% relevance, and the investment’s end objective a 12% relevance. Taken together, these parameters display a larger role than standard financial attributes of risk level (relative importance of 33%) and expected returns (relative importance of 29%) (Figure 1). The results confirm the significance of ESG aspects for a well-rounded assessment of an investment, arguing against the traditional perspective of risk and returns as the sole determinants of investment choices.

*Figure 1 – Relative importance of investment attributes for investment choice, by investor type*

What drives investors to invest sustainably?

Secondly, we identified the main tendencies leading investors to engage in SI. Starting from a set of 16 heterogeneous motives, 4 main drivers emerged: a desire for self-expression, a financial-strategic rationale, the influence of the external context, and an opportunistic motive (Table 1). These drivers depict SI as a multifaceted phenomenon that unfolds along various dimensions, and not only on the financial and impact layers. They propose a novel perspective to think about SI, which takes into consideration how endogenous (e.g., alignment with values) and exogenous (e.g., role of regulation) forces may affect investments.

*Table 1 – Drivers of Sustainable Investing*

How can the findings help us better assess sustainable investing?

This analysis shows the extent to which ESG aspects are integrated in investments, confirming their importance for investment choices. It also shows the multidimensionality of SI drivers, which eschews the rigid perspective of traditional finance and accounts for the impact of relevant internal and external factors.

With this understanding, it is possible to formulate practical insights for industry participants to address the current challenges of SI. In fact, there are concerns related to the over-inclusion of sustainability in investment decisions at the expenses of fundamental financial analysis, which may lead to mispricing, inflated asset evaluation, and potentially an “ESG bubble”.

Standardize definitions and improve sustainability communication. Social context emerged as one of the drivers of SI, and regulators have a strong role to play in harmonizing the meaning of sustainability in finance. Legislative and non-governmental bodies are working to overcome the lack of standard definition and frameworks in SI – e.g., via the European Union’s Sustainable Finance strategy. Their effort to create a common vocabulary and shared understanding of what SI entails will help to align incentives, concepts, and strategies. In parallel, the financial-asset supply side (e.g., fund providers, financial advisors, etc.) should communicate clearly and extensively on the sustainability aspects of financial products. Given the importance of ESG characteristics for investment choices, this will ensure investors have reliable and trustworthy information to guide their investments. Together, the agreement in terminology and the availability of sustainability information will reduce the possibility for misinformation and opportunistic tendencies to sway investment decisions.
Recognize the existence of complex drivers behind sustainable investment decisions. Investors, both professional and retail, should evaluate how different motives affect their investment choices. Knowing that multiple drivers exist will ensure that investment are aligned with goals, limiting the influence of irrationality and misinformation. This will not only benefit investment strategies, but also curb counter-productive results such as the emergence of an ESG price bubble. To explore what drives investor’s decisions, an ad-hoc survey could be submitted ahead of opening investment accounts, mirroring the logic of the MiFID directive. This may have positive effects, such as involving more retail investors in sustainable investing [2].
Finally, consider adopting a behavioral approach when studying sustainable investing. The flexibility of behavioral finance may allow to grasp further insights and help to think about this timely topic in a novel way.

References

[1] The Global Sustainable Investing Alliance (GSIA) considers defines “Sustainable” all assets that integrate ESG factors in the analysis and selection of securities. More detail in their latest global report.

[2] Retail investors still face barriers to fully engage in SI: the topic is investigated in the paper “Investment Barriers and Labeling Schemes for Socially Responsible Investments” by Gutsche and Zwergel (2020).

About the Authors

Margherita Massazza is a CBS and Bocconi graduate in Economics of Innovation, with a focus on Sustainability. Her research investigates the links between traditional investments and behavioral finance to understand how sustainability decisions unfold. She is currently working in the Foresight team of AXA, an insurance company, where she studies the role that corporations will play in the future and how the concept of sustainability will evolve.

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Social impact bonds in the Nordics: insights from ‘Copenhagen Impact Investing Days 2021’

By Mikkel M. Andersen and Ferran Torres

◦ 5 min read ◦

A social impact bond (SIB) is an innovative model for public service delivery characterized by flexible service interventions and an outcomes-based payment structure. SIBs use private investments to drive new types of welfare activities, shifting the risk from the public to the private sector. Today, several SIBs are emerging in Nordic countries, but do rich welfare states even need these financing mechanisms? And in case they do, for what? These questions were discussed by three leading SIB-experts during the ‘Copenhagen Impact Investing Days’ 2021.

During the last few years, the use of social impact bonds (SIBs) and other social finance-instruments has increased dramatically in Nordic countries. SIBs were originally used as financing tools supporting public organizations in the UK experiencing budgetary restraints. Thus, as the model spread into other contexts, the question begged whether this tool would be appropriate for Nordic countries as well. The following piece summarizes some key reflections from the panel discussion regarding this question at Copenhagen Impact Investing Days 2021 (CIID).

SIBs in the Nordic countries: an emergent but fast-growing field

While more than 200 SIBs have officially been developed worldwide, they are still an emergent phenomenon in most Nordic countries. Currently, 17 SIBs have been initiated in Finland, Sweden, Denmark, and Norway – primarily within employment, preventive health, and social welfare. Also, at least 7 additional SIB-projects have been announced. The first SIB-evaluations are also starting to come up; for example, the assessment of the first Swedish SIB in Norrköping shows promising social effects, despite not creating a financial return for investors. Finnish intermediary-organizations are also planning to develop SIB-projects within environmental areas, including recycling and energy efficiency in housing.

Overall, Finland seems to be on the forefront in the Nordic regions, followed by Sweden, while Denmark and Norway are a few years behind. On the investment side, significant progression is also being made. A Finnish fund-of-funds is currently being developed with an expected capital of 100 million Euro. In Sweden, work is also being done to set up a national outcomes financing structure to ensure the scaling of future outcome-based initiatives. Last, legislative action to ensure social finance practices has been taken – most recently in Denmark with Børnene Først promising more focus on social investment-practices to ensure preventive social welfare.

Emerging practices for Nordic SIBs

Some early experiences regarding the relevance and usage of SIBs in the Nordic countries were discussed during the CIID-conference. First and foremost, SIBs seem to be a part of a much larger trend in public welfare, oriented towards measuring, incentivizing, and resourcing towards long-term social outcomes. While SIBs might constitute effective solutions in themselves, they are also catalysts for evolving social investment practices because they can 1) showcase the benefits of new types of welfare services by linking social and economic outcomes, 2) provide practical solutions for realizing preventive and proactive welfare services, and 3) facilitate cross-sectoral coordination through new procurement frameworks by bringing new stakeholders to the table.

The SIB can be a useful way to show the municipalities, and the government, how to buy the solutions that actually work.
Hans Henrik Woltmann, Investment Manager, The Social Investment Fund (DK)

What seems to be critical is also the perception that SIBs in the Nordic countries should not function as a replacement to or a privatization instrument for public welfare services. Instead, SIBs should be understood as a supplement to these, allowing public actors to change how they buy public interventions while testing new welfare solutions through de-risking strategies. Still, the novelty of the method, and its experimental character, makes it challenging to assess its true potential.

Does the SIB really allow us to scale or is it just a fancy way of financing projects? I think the question is still out there
Tomas Bokström, Project Manager, Research Institutes of Sweden

Looking into the future: necessities for a social finance-ecosystem

Summarizing the points from the debate, SIBs in the Nordics are on the rise and have the potential to become welfare instruments themselves, and a vehicle for promoting a social investment agenda. Looking ahead, three key aspects will be important for enhancing the Nordic social finance ecosystem:

Establish more evidence from practice and leverage these actively with public organizations to spark discussions.
Insist on experimentation and a methodological openness towards the SIB-model. Its value also resides in its ability to test innovative social interventions to later diffuse them through public practices fitting better into specific welfare situations.
Follow and engage in political discussions regarding the ambitions for SIB-practices. The SIB market is still in its infancy and relies heavily on market-maturement initiatives to develop better infrastructure.

Panelists for the discussion of Nordic Impact Bonds at ‘Copenhagen Impact Investing Days 2021’:

· Tomas Bokström, Project Manager, Research Institutes of Sweden
· Hans Henrik Woltmann, Investment Manager, The Social Investment Fund
· Mika Pyykkö, Director, The Centre of Expertise for Impact Investing, Finland
· Mikkel Munksgaard, PhD Fellow, Department of Management, Society, and Communication, CBS (moderator)
· Ferran Torres Nadal, PhD Fellow, Esade Entrepreeurship Institute & Institute for Social Innovation, ESADE (moderator)

About the Authors

Mikkel Munksgaard Andersen is PhD Fellow, at CBS Sustainability, Department of Management, Society and Communication (MSC) at CBS. Through his PhD-project, Mikkel studies the development and implementation of social impact bonds and payment-by-results methods in Denmark. His work centralizes around the distinct characteristics of Scandinavian impact bonds and their role in supporting and financing public services. The research is driven by a participatory research design and is co-financed by Region Zealand. Mikkel has earlier worked in the social finance-field both on an academic and practical level.

Ferran Torres Nadal is PhD Fellow at the Entrepreneurship Institute and the Institute for Social Innovation, ESADE Business School in Spain. His PhD advisors are Lisa Hehenberger and Tobias Hahn. His work is focused on understanding and explaining tensions and paradoxes around complex phenomena. He is particularly interested in studying the challenges and opportunities that come with cross-sector initiatives, such as social impact bonds.

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