Do Tax Rates Affect Corporate Social Responsibility? A Natural Experiment From Corporate Tax Rate Changes
Yiwei Fang, Iftekhar Hasan, Qiang Wu
Journal of Accounting, Auditing and Finance,
im Erscheinen
Abstract
Get access Abstract This study examines how changes in state corporate tax rates affect corporate social responsibility (CSR) performance among U.S. firms. Using staggered state-level tax reforms and a difference-in-differences (DiD) design, we identify an asymmetric causal effect: tax cuts significantly enhance CSR performance by reducing concerns, whereas tax increases only marginally weaken CSR strengths. Drawing primarily on signaling theory, complemented by slack resource and stakeholder perspectives, we argue that tax cuts expand financial slack, enabling firms to use CSR as a positive signal of financial strength, long-term orientation, and responsible use of tax savings. In contrast, firms avoid cutting CSR significantly after tax hikes to prevent negative signaling. In support of the theories, our heterogeneity analyses show that these effects are stronger among financially constrained firms and are concentrated in material CSR issues that are financially relevant to investors. A domain-level analysis further reveals that tax increases reduce environmental strengths, while tax cuts lower concerns related to employee relations, diversity, and environmental practices. These findings highlight how tax policy shapes CSR through its impact on financial flexibility and stakeholder expectation, offering implications for corporate strategy and public policy.
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Out of Sight, out of Mind: Divestments and the Global Reallocation of Pollutive Assets
Tobias Berg, Lin Ma, Daniel Streitz
Journal of Financial Economics,
Vol. 182 (August),
2026
Abstract
We document a global reallocation of pollutive assets as a response to investor pressure: large firms facing increased investor pressure divest foreign-located pollutive assets to firms that are less in the limelight. There is no evidence of increased engagement in any other emission reduction activities. We estimate that 369 million metric tons (mt) of CO2e are reallocated via divestments in the post-Paris Agreement period. Our results indicate that investor pressure to decarbonize reshapes the global conglomerate structure of large firms.
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Institutional Blockholders and Corporate Innovation
Bing Guo, Dennis Hutschenreiter, David Pérez-Castrillo, Anna Toldrà-Simats
Journal of Corporate Finance,
Vol. 100 (July),
2026
Abstract
The previous literature finds a positive effect of institutional (relative to other investors’) ownership on firms’ innovation output . We study the impact of increases in the concentration of institutional investors’ ownership on firms’ decisions to invest in innovation and their innovation output. By reducing short-term earnings pressure, concentrated institutional investors’ ownership increases managers’ incentives to invest in R&D. However, it decreases firms’ acquisitions of external innovation due to empire-building and dilution concerns. Overall, firms’ future patents and citations decrease. Our results indicate that the previously found positive effect of institutional investors on innovation declines as the ownership of these investors becomes more concentrated. Despite that, we find that blockholder institutional ownership increases firm value. Hence, large institutional investors take measures to preserve the value of their ownership interests, even if they result in reduced innovation.
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Common Ownership and CEO Social Ties Across Portfolio Firms
Dennis Hutschenreiter, Qianshuo Liu
IWH Discussion Papers,
Nr. 9,
2026
Abstract
This paper examines whether common institutional ownership is associated with CEO connectedness across firms. We document that higher common ownership between two same-industry firms predicts a greater likelihood that a newly appointed CEO has preexisting social ties to the incumbent CEO of the peer firm. To address endogeneity, we use mergers among institutional investors in a stacked difference-in-differences design. In a hiring-firm-peer panel that carries connection status forward from the most recent appointment, exposure to a merger-induced common blockholder approximately doubles the probability that the pair is observed in a connected-CEO state. In a broader firm-pair panel, it increases the probability of CEO connections by 48.7%. We further document that gaining CEO connections through another firm’s CEO appointment is associated with improvements in peer firms’ returns on assets and Tobin’s Q, in both OLS and IV specifications. Peer firms that gain such a connection also experience positive abnormal returns around other firms’ CEO hiring announcements, corresponding to an average increase of $112.5 million in shareholder value. These performance patterns suggest that CEO connections may be valuable from a portfolio-level perspective. Consistent with this interpretation, the association between common ownership and CEO connections is concentrated among product-similar and organizationally complex firms and strengthens after the 2008–2009 financial crisis, when connections appear more valuable. Our findings point to CEO connection as a potential governance channel through which common institutional ownership is linked to firm outcomes, complementing prior work on executive compensation, shareholder voting, and board interlocks.
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Common Ownership, Tacit Know-How, and the Market for Technology
Dennis Hutschenreiter
IWH Discussion Papers,
Nr. 3,
2026
Abstract
Firms increasingly rely on markets for technology to acquire innovations developed outside their boundaries, yet acquiring intellectual property rights alone often does not guarantee successful implementation. Many technologies depend on tacit know-how that must be supplied by the provider after the transaction is completed. This paper examines whether common ownership between a technology provider and a potential adopter mitigates this implementation problem. I develop a model in which overlapping institutional investors cause the provider to partially internalize the adopter’s gains from successful implementation, strengthening incentives to transfer tacit know-how. This mechanism operates only when know-how is unverifiable – absent this friction, common ownership leaves matching and outcomes unchanged. Under moral hazard, the model predicts that common ownership increases the likelihood of technology transfer to a given adopter, that this effect is stronger when tacit know-how is more important, and that common ownership improves post-transfer outcomes conditional on adoption. I test these predictions using U.S. patent reassignments between publicly traded firms. Using within-deal variation across competing potential adopters and plausibly exogenous variation from passive index-fund holdings, I show that common ownership increases the likelihood that a firm acquires a technology, particularly when the transferred bundle is more tacit. Common ownership predicts stronger subsequent innovation and higher future firm value, especially when ownership overlap is concentrated among investors with stronger incentives to monitor the provider. These findings show how ownership structure shapes interfirm technology transfer by affecting not only who acquires a technology, but also how much value is created.
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Social Capital and Retail Investor Behavior: Evidence From the Corporate Social Irresponsibility Shocks in Taiwan
Dien Giau Bui, Ting-Hsuan Chen, Iftekhar Hasan, Chih-Yung Lin
Journal of International Financial Markets, Institutions and Money,
Vol. 108 (April),
2026
Abstract
In this paper, we use granular trading data from Taiwan between 2012 and 2016 to examine how local social capital influences retail investor behavior during corporate social irresponsibility (CSIR) events. Therefore, we are responding to longstanding calls in the international finance literature to explore investor behavior in non-US markets with distinct institutional and cultural characteristics. We find that investors residing in cities with higher social capital are less likely to purchase underpriced stocks following the announcements of negative events despite the potential for positive abnormal returns. This norm-driven restraint reflects a form of socially responsible investing motivated by community-based values rather than economic rationality. By documenting this behavior in an East Asian market, we extend the external validity of social norm theories developed in Western settings and contribute to a more nuanced understanding of how localized social preferences can influence asset pricing and capital allocation in a global context.
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Do Institutional Investors Exploit Expectation Errors in Value/Glamour Stocks?
Iftekhar Hasan, Jianfu Shen, Chi Cheong Allen Ng
China Accounting and Finance Review,
Vol. 28 (1),
2026
Abstract
This study examines the institutional demand for mispriced stocks with incongruent expectations implied by the book-to-market (BM) ratio and financial strength. Institutional trading (or institutional demand) is calculated by both changes in institutional ownership (percentage of shares held) and the number of institutional investors from the previous to the current quarter. Market mispricing and expectation errors in value/glamour stocks can be identified by analysing firms’ recent financial strength (measured by FSCORE). Firms are sorted into value stocks (top 30%), middle stocks (between 30% and 70%) and glamour stocks (bottom 30%) by distribution of BM ratios at the end of the previous fiscal year. Firms in the sample are then double sorted by FSCORE and BM: in each BM portfolio, firms are further classified into high-, mid- and low-FSCORE groups. Consistent with the argument of expectation errors in value/glamour stocks (Piotroski and So, 2012), institutional investors buy value stocks with strong fundamentals (underpriced) and sell glamour stocks with weak fundamentals (overpriced). Independent institutions are more likely to take advantage of the mispricing in value/glamour firms than passive institutions. Institutional trading on expectation errors could reduce the abnormal returns to mispriced stocks. Institutional trading patterns on mispriced value/glamour stocks are also documented in global markets. Our research provides new evidence that the institutional investors do exploit the BM anomalies if the mispricing can be identified by both the BM and the recent financial strength. Our study differs from Caglayan, Celiker and Sonaer (2018) as we emphasise that financial institutions, in addition to relying on only the BM values, process information from financial statements to infer firms’ financial strength. This study is also the first to document that institutional demand on mispricing could attenuate the BM anomaly.
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Aktuelle Trends: Immobilienpreise geben nach
Michael Koetter, Felix Noth, Fabian Woebbeking
Wirtschaft im Wandel,
Nr. 2,
2025
Abstract
In turbulenten Zeiten, die von anhaltenden geopolitischen Krisen, dem holprigen Regierungswechsel in Deutschland und volatilen Aktienmärkten geprägt sind, mögen die eine oder der andere Investor auf Betongold setzen. Ob dies eine gute Idee ist, zeigt ein Blick auf die Dynamik im europäischen Häusermarkt.
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Essays in Supply Chains and Sustainable Finance
Sochima Uzonwanne
PhD Thesis, Friedrich-Schiller-Universität Jena,
2025
Abstract
Die Wechselwirkungen zwischen Lieferketten und nachhaltiger Finanzierung haben sich zu einem zentralen Forschungsbereich in den Finanzmärkten entwickelt, angetrieben durch ein zunehmendes globales Bewusstsein für Umwelt- und soziale Herausforderungen. Artikel 1 untersucht, wie Kreditgeber Nachhaltigkeitsklauseln verwenden, um Kreditnehmer mit negativen Umweltvorfällen zu überwachen, und vergleicht die Verwendung dieser einzigartigen Kreditvertragsgestaltung mit konventionellen Kreditkonditionen, finanziellen und bilanzbezogenen Klauseln. Wir zeigen, dass Kreditgeber weniger geneigt sind, Nachhaltigkeitsklauseln in den Kreditvertrag aufzunehmen, wenn ein Kreditnehmer bereits zuvor negative Umweltvorfälle aufweist. Im Gegensatz dazu nutzen Kreditgeber Nachhaltigkeitsklauseln, um institutionelle Investoren für die Teilnahme an der Syndizierung zu gewinnen, anstatt sie als Überwachungsinstrumente für die Umweltleistung von Kreditnehmern zu verwenden. Artikel 2 untersucht, ob Banken, die mit dem Verlust der biologischen Vielfalt im Amazonasgebiet in Verbindung stehen, einen Abzug von Einlagen erfahren, wenn Einleger von deren Finanzierungstätigkeiten Kenntnis erlangen. Ich finde empirische Beweise dafür, dass sogenannte "Amazonas-Kohlenstoffbanken" ein geringeres Wachstum ihrer Einlagen verzeichnen, sobald Einleger von deren Finanzierungstätigkeiten erfahren. Dieser Effekt ist besonders ausgeprägt, wenn die Filiale der Amazonas-Kohlenstoffbanken in Landkreisen liegt, die im Vergleich zu anderen Filialen stärkere Verluste an biologischer Vielfalt aufweisen. Artikel 3, wie europäische Unternehmen, die stark in globale Lieferketten (GSC) eingebunden sind, von einer Lieferkettenunterbrechung (Covid-19) betroffen sind. Wir zeigen, dass Covid-19 das Umsatzwachstum von Unternehmen, die stark von der GSC im Heimatland abhängig sind, negativ beeinflussen. Besonders wichtig ist, dass wir die Rolle der Bankbeziehungen bei der Abmilderung der Störungseffekte aufdecken.
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