Risikoverlagerung in Finanzmärkten und nachhaltige Finanzierung

Erleichtern Finanzinstitute nachhaltige Finanzierungen? Diese Forschungsgruppe untersucht die Anreize der Kreditgeber zur Risikoverlagerung, ihre Entscheidungen bei der Unterstützung nachhaltiger Unternehmen und wie sich nachhaltige Finanz- und Rechtsinnovationen auf Unternehmen und Haushalte auswirken.

Forschungscluster
Finanzresilienz und Regulierung

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Juniorprofessorin Huyen Nguyen, Ph.D.
Juniorprofessorin Huyen Nguyen, Ph.D.
- Abteilung Finanzmärkte
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Referierte Publikationen

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To Securitize or To Price Credit Risk?

Danny McGowan Huyen Nguyen

in: Journal of Financial and Quantitative Analysis, im Erscheinen

Abstract

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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Deposit Competition and Mortgage Securitization

Danny McGowan Huyen Nguyen Klaus Schaeck

in: Journal of Money, Credit and Banking, im Erscheinen

Abstract

<p>We study how deposit competition affects a bank's decision to securitize mortgages. Exploiting the state-specific removal of deposit market caps across the U.S. as a source of competition, we find a 7.1 percentage point increase in the probability that banks securitize mortgage loans. This result is driven by an 11 basis point increase in deposit costs and corresponding reductions in banks' deposit holdings. Our results are strongest among banks that rely more on deposit funding. These findings highlight a hitherto undocumented and unintended regulatory cause that motivates banks to adopt the originate-to-distribute model.</p>

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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

Abstract

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

Abstract

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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Explicit Deposit Insurance Design: International Effects on Bank Lending during the Global Financial Crisis

Iftekhar Hasan Liuling Liu Anthony Saunders Gaiyan Zhang

in: Journal of Financial Intermediation, July 2022

Abstract

Studies find that during the 2007–2009 global financial crisis, loan spreads rose and corporate lending tightened, especially for foreign borrowers (a flight-home effect). We find that banks in countries with explicit deposit insurance (DI) made smaller reductions in total lending and foreign lending, experienced smaller increases in loan spreads, and had quicker post-crisis recoveries. These effects are more pronounced for banks heavily relying on deposit funding. Evidence also reveals that more generous or credible DI design is associated with a stronger stabilization effect on bank lending during the crisis, confirmed by the difference-in-differences analysis based on expansion of DI coverage during the crisis. The stabilization effect is robust to the use of country-specific crisis measures and control of temporary government guarantees.

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Arbeitspapiere

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Real Estate Transaction Taxes and Credit Supply

Michael Koetter Philipp Marek Antonios Mavropoulos

in: IWH Discussion Papers, Nr. 26, 2022

Abstract

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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Carbon Transition Risk and Corporate Loan Securitization

Isabella Müller Huyen Nguyen Trang Nguyen

in: IWH Discussion Papers, Nr. 22, 2022

Abstract

We examine how banks manage carbon transition risk by selling loans given to polluting borrowers to less regulated shadow banks in securitization markets. Exploiting the election of Donald Trump as an exogenous shock that reduces carbon risk, we find that banks’ securitization decisions are sensitive to borrowers’ carbon footprints. Banks are more likely to securitize brown loans when carbon risk is high but swiftly change to keep these loans on their balance sheets when carbon risk is reduced after Trump’s election. Importantly, securitization enables banks to offer lower interest rates to polluting borrowers but does not affect the supply of green loans. Our findings are more pronounced among domestic banks and banks that do not display green lending preferences. We discuss how securitization can weaken the effectiveness of bank climate policies through reducing banks’ incentives to price carbon risk.

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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, Nr. 1, 2021

Abstract

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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Real Estate Transaction Taxes and Credit Supply

Michael Koetter Philipp Marek Antonios Mavropoulos

in: Deutsche Bundesbank Discussion Paper, Nr. 4, 2021

Abstract

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

Antonios Mavropoulos Qizhou Xiong

in: IWH Discussion Papers, Nr. 17, 2018

Abstract

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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