Risk Shifting in Financial Markets and Sustainable Finance

Do financial institutions facilitate sustainable finance? This research group studies lenders' risk shifting incentives, their choices in supporting sustainable business, and how sustainable finance and legal innovations affect firms and households.

Research Cluster
Financial Resilience and Regulation

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Professor Huyen Nguyen, PhD
Professor Huyen Nguyen, PhD
Mitglied - Department Financial Markets
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Refereed Publications


To Securitize or To Price Credit Risk?

Danny McGowan Huyen Nguyen

in: Journal of Financial and Quantitative Analysis, forthcoming


Do lenders securitize or price loans in response to credit risk? Exploiting exogenous variation in regional credit risk due to foreclosure law differences along US state borders, we find that lenders securitize mortgages that are eligible for sale to the Government Sponsored Enterprises (GSEs) rather than price regional credit risk. For non-GSE-eligible mortgages with no GSE buyback provision, lenders increase interest rates as they are unable to shift credit risk to loan purchasers. The results inform the debate surrounding the GSEs' buyback provisions, the constant interest rate policy, and show that underpricing regional credit risk increases the GSEs' debt holdings. 

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Gender Pay Gap in American CFOs: Theory and Evidence

Bill Francis Iftekhar Hasan Gayane Hovakimian Zenu Sharma

in: Journal of Corporate Finance, June 2023


Studies document persistent unexplained gender-based wage gap in labor markets. At the executive level, where skill and education are similar, career interruptions and differences in risk preferences primarily explain the extant gender-based pay gap. This study focuses on CFO compensation contracts of Execucomp firms (1992–2020) and finds no gender-based pay gap. This paper offers several explanations for this phenomenon, such as novel evidence on the risk preferences of females with financial expertise and changes in the social and regulatory climate.

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The Effect of Bank Failures on Small Business Loans and Income Inequality

Salvador Contreras Amit Ghosh Iftekhar Hasan

in: Journal of Banking and Finance, January 2023


Using variation in the timing and location of branches of failed banks we analyze its effect on income inequality. Employing a difference-in-differences specification we find that bank failures increased the GINI by 0.3 units (or 0.7%). We show that the rise in inequality is due to a decrease in the incomes of the poor that outpaces declines of the rest. We further show that individuals with lower levels of education exhibit a relatively greater decline in real wages and weekly hours worked. Exploring channels of transmission, we find income inequality is explained by a general decline in small business loans. This in turn reduces net new small business formation and their job creation capacity, a sector that hires a substantial share of low-income earners.

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The Effect of Foreign Institutional Ownership on Corporate Tax Avoidance: International Evidence

Iftekhar Hasan Incheol Kim Haimeng Teng Qiang Wu

in: Journal of International Accounting, Auditing and Taxation, March 2022


We find that foreign institutional investors (FIIs) reduce their investee firms’ tax avoidance. We provide evidence that the effect is driven by the institutional distance between FIIs’ home countries/regions and host countries/regions. Specifically, we find that the effect is driven by the influence of FIIs from countries/regions with high-quality institutions (i.e., common law, high government effectiveness, and high regulatory quality) on investee firms located in countries/regions with low-quality institutions. Furthermore, we show that the effect is concentrated on FIIs with little experience in the investee countries/regions or FIIs with stronger monitoring incentives. Finally, we find that FIIs are more likely to vote against management if the firm has a higher level of tax avoidance.

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Military Directors, Governance and Firm Behavior

Chen Cai Iftekhar Hasan Yinjie (Victor) Shen Shuai Wang

in: Advances in Accounting, December 2021


We build a large dataset of board of directors with military experience and document a substantial and persistent presence of independent military directors serving on corporate boards. We find that firms with independent military directors are associated with better monitoring outcomes, including less excessive CEO compensation, greater forced CEO turnover–performance sensitivity, and less earnings management.

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Working Papers


Real Estate Transaction Taxes and Credit Supply

Michael Koetter Philipp Marek Antonios Mavropoulos

in: IWH Discussion Papers, No. 26, 2022


We exploit staggered real estate transaction tax (RETT) hikes across German states to identify the effect of house price changes on mortgage credit supply. Based on approximately 33 million real estate online listings, we construct a quarterly hedonic house price index (HPI) between 2008:q1 and 2017:q4, which we instrument with state-specific RETT changes to isolate the effect on mortgage credit supply by all local German banks. First, a RETT hike by one percentage point reduces HPI by 1.2%. This effect is driven by listings in rural regions. Second, a 1% contraction of HPI induced by an increase in the RETT leads to a 1.4% decline in mortgage lending. This transmission of fiscal policy to mortgage credit supply is effective across almost the entire bank capitalization distribution.

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The Color of Corporate Loan Securitization

Isabella Müller Huyen Nguyen Trang Nguyen

in: IWH Discussion Papers, No. 22, 2022


We examine whether banks manage firms’ climate transition risks via corporate loan securitization. Results show that banks are more likely to securitize loans granted to firms that become more carbon-intensive. The effect is more pronounced if banks have a lower willingness to adjust loan terms. Exploiting the election of Donald Trump as an exogenous shock that lowers transition risk, we show that banks respond by a lower securitization of loans given to firms that become more carbon-intensive. This is mainly driven by banks that have no or low preferences for sustainable lending and domestic lenders.

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Deposit Competition and Securitization

Danny McGowan Huyen Nguyen Klaus Schaeck

in: IWH Discussion Papers, No. 6, 2021


We provide novel evidence that deposit competition incentivizes banks to securitize loans. Exploiting the state-specific removal of deposit market caps across the U.S. as an exogenous source of competition, we document a 7.1 percentage point increase in the probability that banks securitize their assets. This result is driven by an 11 basis point increase in costs of deposits and a corresponding decrease in banks’ deposit growth. Our results are strongest among small and single state incumbent banks that rely more on deposit funding. These findings highlight an unintended regulatory cause that motivates banks to adopt the originate-to-distribute model.

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To Rent or not to Rent: A Household Finance Perspective on Berlin's Short-term Rental Regulation

Antonios Mavropoulos

in: IWH Discussion Papers, No. 1, 2021


With the increasing concerns that accompany the rising trends of house sharing economies, regulators impose new laws to counteract housing supply scarcity. In this paper, I investigate whether the ban on short-term entire house listings activated in Berlin in May 2016 had any adverse effects from a household finance perspective. More specifically, I derive short-term rental income and counter-factually compare it with long-term rental income to find that the ban, by decreasing the supply of short-term housing, accelerated short-term rental income but did not have any direct effect on long-term rental income. Commercial home-owners therefore would find renting on the short-term market to be financially advantageous.

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Housing Consumption and Macroprudential Policies in Europe: An Ex Ante Evaluation

Antonios Mavropoulos Qizhou Xiong

in: IWH Discussion Papers, No. 17, 2018


In this paper, we use the panel of the first two waves of the Household Finance and Consumption Survey by the European Central Bank to study housing demand of European households and evaluate potential housing market regulations in the post-crisis era. We provide a comprehensive account of the housing decisions of European households between 2010 and 2014, and structurally estimate the housing preference of a simple life-cycle housing choice model. We then evaluate the effect of a tighter LTV/LTI regulation via counter-factual simulations. We find that those regulations limit homeownership and wealth accumulation, reduces housing consumption but may be welfare improving for the young households.

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