Andre Guettler

University of Ulm - Department of Mathematics and Economics

Full Professor

Helmholzstrasse

Ulm, D-89081

Germany

Halle Institute for Economic Research

Research Professor

P.O. Box 11 03 61

Kleine Maerkerstrasse 8

D-06017 Halle, 06108

Germany

SCHOLARLY PAPERS

25

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CITATIONS
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119

Scholarly Papers (25)

The Impact of Public Guarantees on Bank Risk Taking: Evidence from a Natural Experiment

Review of Finance 18 (2014), 457-488
Number of pages: 48 Posted: 13 Jan 2010 Last Revised: 17 Feb 2015
Reint Gropp, Christian Gründl and Andre Guettler
Halle Institute for Economic Research, EBS Universität für Wirtschaft und Recht - EBS Business School and University of Ulm - Department of Mathematics and Economics
Downloads 605 (42,541)

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banking, public guarantees, credit risk, moral hazard, market discipline

The Impact of Public Guarantees on Bank Risk Taking: Evidence from a Natural Experiment

ECB Working Paper No. 1272
Number of pages: 53 Posted: 03 Dec 2010
Reint Gropp, Andre Guettler and Christian Gründl
Halle Institute for Economic Research, University of Ulm - Department of Mathematics and Economics and EBS Universität für Wirtschaft und Recht - EBS Business School
Downloads 189 (159,025)
Citation 2

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banking, public guarantees, credit risk, moral hazard, market discipline

The Impact of Public Guarantees on Bank Risk Taking: Evidence from a Natural Experiment

AFA 2011 Denver Meetings Paper
Number of pages: 50 Posted: 15 Mar 2010 Last Revised: 11 Dec 2010
Reint Gropp, Christian Gründl and Andre Guettler
Halle Institute for Economic Research, EBS Universität für Wirtschaft und Recht - EBS Business School and University of Ulm - Department of Mathematics and Economics
Downloads 78 (311,112)
Citation 8

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banking, public guarantees, credit risk, moral hazard

2.

How Ing-Diba Conquered the German Retail Banking Market

Number of pages: 26 Posted: 12 Mar 2008 Last Revised: 02 Apr 2008
Andre Guettler and Andreas Hackethal
University of Ulm - Department of Mathematics and Economics and Goethe University Frankfurt - Faculty of Economics and Business Administration
Downloads 772 (31,040)
Citation 1

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IT development, strategic success factors, direct bank, German financial system

On Comparing the Accuracy of Default Predictions in the Rating Industry

Empirical Economics, Vol. 34, No. 2, pp. 343-356, March 2008
Number of pages: 26 Posted: 21 Oct 2003 Last Revised: 17 Sep 2009
Andre Guettler and Walter Kraemer
University of Ulm - Department of Mathematics and Economics and University of Dortmund - Department of Statistics
Downloads 591 (43,887)
Citation 1

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Credit rating, Probability forecasts, Calibration

On Comparing the Accuracy of Default Predictions in the Rating Industry

CESifo Working Paper Series No. 2202
Number of pages: 28 Posted: 08 Feb 2008
Walter Kraemer and Andre Guettler
University of Dortmund - Department of Statistics and University of Ulm - Department of Mathematics and Economics
Downloads 128 (221,576)

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credit rating, probability forecasts, calibration

4.

Are Directors’ Dealings Informative? Evidence from European Stock Markets

Financial Markets and Portfolio Management, Vol. 25, No. 2, pp. 111-148, (Springer)
Number of pages: 42 Posted: 25 May 2010 Last Revised: 17 Jun 2011
Kaspar Dardas and Andre Guettler
EBS Universität für Wirtschaft und Recht - EBS Business School and University of Ulm - Department of Mathematics and Economics
Downloads 596 (44,017)

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Directors’ dealings, Europe, insider hierarchy, R&D intensity

Lead-Lag Relationships and Rating Convergence Among Credit Rating Agencies

Journal of Credit Risk 7 (2011), 95-119.
Number of pages: 28 Posted: 07 Nov 2006 Last Revised: 08 May 2013
Andre Guettler
University of Ulm - Department of Mathematics and Economics
Downloads 333 (88,759)

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credit rating agencies, rating intensities, rating convergence

Lead-Lag Relationships and Rating Convergence Among Credit Rating Agencies

Journal of Credit Risk 7 (2011), 95–119
Number of pages: 29 Posted: 21 Dec 2009 Last Revised: 20 Jan 2016
Andre Guettler
University of Ulm - Department of Mathematics and Economics
Downloads 224 (135,151)
Citation 2

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credit rating agencies, rating intensities, rating convergence, rating timeliness

6.

On Portfolio Optimization: Imposing the Right Constraints

Journal of Banking & Finance 37 (2013), 1232–1242
Number of pages: 37 Posted: 02 Jun 2010 Last Revised: 08 Jan 2019
Patrick Behr, Andre Guettler and Felix Miebs
Getulio Vargas Foundation (FGV) - Brazilian School of Public and Business Administration (EBAPE), University of Ulm - Department of Mathematics and Economics and University of Applied Sciences Cologne
Downloads 531 (51,001)
Citation 2

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Portfolio Optimization, Shrinkage, Mean Squared Error, Bootstrap

Pitfalls and Perils of Financial Innovation: The Use of CDS by Corporate Bond Funds

Journal of Banking and Finance, Forthcoming
Number of pages: 35 Posted: 22 Jan 2011 Last Revised: 17 Feb 2015
Tim Adam and Andre Guettler
Humboldt University and University of Ulm - Department of Mathematics and Economics
Downloads 435 (64,746)

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Mutual funds, management teams, financial crisis, credit default swaps, performance, market timing

The Use of Credit Default Swaps by U.S. Fixed-Income Mutual Funds

FDIC Working Paper No. 2011-01
Number of pages: 48 Posted: 09 Jan 2012
Andre Guettler and Tim Adam
University of Ulm - Department of Mathematics and Economics and Humboldt University
Downloads 92 (280,479)

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Corporate bond fund, credit default swap, credit risk, fund performance, hedging

8.

Calibration of Internal Rating Systems: The Case of Dependent Default Events

Kredit und Kapital, Vol. 40, pp. 527-552, 2007
Number of pages: 24 Posted: 26 Nov 2005 Last Revised: 17 Sep 2009
Andre Guettler and Helge G. Liedtke
University of Ulm - Department of Mathematics and Economics and BearingPoint
Downloads 502 (54,750)

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Validation, Calibration, Basel II, Rating systems

9.
Downloads 480 ( 58,000)
Citation 22

Gender and Banking: Are Women Better Loan Officers?

Review of Finance, Forthcoming, European Banking Center Discussion Paper No. 2009-19, CentER Discussion Paper Series No. 2009-63
Number of pages: 51 Posted: 04 Aug 2009 Last Revised: 04 Jul 2012
Thorsten Beck, Patrick Behr and Andre Guettler
City University London - Sir John Cass Business School, Getulio Vargas Foundation (FGV) - Brazilian School of Public and Business Administration (EBAPE) and University of Ulm - Department of Mathematics and Economics
Downloads 476 (57,950)
Citation 4

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Behavioral banking, loan officers, gender, loan default, monitoring, screening

Gender and Banking: Are Women Better Loan Officers?

CEPR Discussion Paper No. DP7409
Number of pages: 49 Posted: 08 Sep 2009
Thorsten Beck, Patrick Behr and Andre Guettler
City University London - Sir John Cass Business School, Getulio Vargas Foundation (FGV) - Brazilian School of Public and Business Administration (EBAPE) and University of Ulm - Department of Mathematics and Economics
Downloads 4 (646,577)
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Behavioral banking, gender, loan default, loan officers, monitoring, screening

10.

The Adjustment of Credit Ratings in Advance of Defaults

Journal of Banking and Finance, Vol. 31, pp. 751-767
Number of pages: 24 Posted: 06 Jun 2005 Last Revised: 14 Mar 2008
Andre Guettler and Mark Wahrenburg
University of Ulm - Department of Mathematics and Economics and Faculty of Economics and Business Administration
Downloads 449 (62,947)

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credit rating agencies, credit rating biases, leader-follower analysis

11.

Rating Opaque Borrowers: Why are Unsolicited Ratings Lower?

Review of Finance, Vol. 14, pp. 263-294, 2010
Number of pages: 43 Posted: 24 Mar 2008 Last Revised: 07 Jun 2010
Christina E. Bannier, Patrick Behr and Andre Guettler
Justus-Liebig-University Giessen, Getulio Vargas Foundation (FGV) - Brazilian School of Public and Business Administration (EBAPE) and University of Ulm - Department of Mathematics and Economics
Downloads 392 (74,054)

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Unsolicited Ratings, Self-Selection, Conservatism, Opaqueness

12.

Using Industry Momentum to Improve Portfolio Performance

Journal of Banking & Finance, Vol. 36, pp. 1414-1423. 2012
Number of pages: 30 Posted: 08 Feb 2011 Last Revised: 22 Mar 2012
Patrick Behr, Andre Guettler and Fabian Trübenbach
Getulio Vargas Foundation (FGV) - Brazilian School of Public and Business Administration (EBAPE), University of Ulm - Department of Mathematics and Economics and European Business School (EBS)
Downloads 380 (76,739)

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Portfolio Optimization, Minimum-Variance Portfolios, Industry Momentum

13.

The Informational Content of Unsolicited Ratings

Journal of Banking and Finance, Vol. 32, pp. 587-599, April 2008
Number of pages: 39 Posted: 19 May 2005 Last Revised: 17 Sep 2009
Patrick Behr and Andre Guettler
Getulio Vargas Foundation (FGV) - Brazilian School of Public and Business Administration (EBAPE) and University of Ulm - Department of Mathematics and Economics
Downloads 361 (81,510)

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Rating agency, unsolicited ratings, event study, stock market

14.

Intraday Stock Price Effects of Ad Hoc Disclosures: The German Case

Journal of International Financial Markets, Institutions and Money, Vol. 17, No. 1, 2007
Number of pages: 24 Posted: 01 Feb 2005
Andre Guettler and Jan Muntermann
University of Ulm - Department of Mathematics and Economics and University of Frankfurt
Downloads 354 (83,364)
Citation 1

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Ad hoc disclosure rules, intraday stock price adjustments, market efficiency

15.

The Impact of Downward Rating Momentum

Journal of Financial Services Research, Vol. 37, pp. 1–23, 2010
Number of pages: 34 Posted: 04 Jan 2007 Last Revised: 06 Apr 2010
Andre Guettler and Peter Raupach
University of Ulm - Department of Mathematics and Economics and Deutsche Bundesbank - Research Department
Downloads 283 (106,718)

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Rating drift, Downward momentum, Credit portfolio risk, Value-at-Risk, Bond portfolio management, Calibration

16.

Financial Incentives and Loan Officer Behavior: Multitasking and Allocation of Effort under an Incomplete Contract

Updated version of "SAFE Working Paper No. 62"
Number of pages: 38 Posted: 15 Jul 2014 Last Revised: 18 Oct 2017
Getulio Vargas Foundation (FGV) - Brazilian School of Public and Business Administration (EBAPE), Federal Reserve Bank of Chicago, Halle Institute for Economic Research and University of Ulm - Department of Mathematics and Economics
Downloads 238 (127,715)
Citation 1

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Loan officer, incentives, loan prospecting, screening, monitoring

17.

The Influence of Sponsor, Servicer and Underwriter Characteristics on RMBS Performance

Financial Markets and Portfolio Management 25 (2011), 281-311.
Number of pages: 36 Posted: 05 Apr 2010 Last Revised: 08 May 2013
Andre Guettler, Ulrich Hommel and Julia Reichert
University of Ulm - Department of Mathematics and Economics, EBS Business School and EBS Universität für Wirtschaft und Recht - EBS Business School - Department of Finance and Accounting
Downloads 228 (133,261)

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Securitization, information asymmetries, reputation

18.

Using a Bootstrap Approach to Rate the Raters

Financial Markets and Portfolio Management, Vol. 19, No. 3, pp. 277-295
Number of pages: 35 Posted: 06 Jun 2005
Andre Guettler
University of Ulm - Department of Mathematics and Economics
Downloads 218 (139,184)
Citation 2

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Credit rating agencies, validation, bootstrap

19.

How do Lending Relationships Affect Access to Credit and Loan Conditions in Microlending?

Journal of Banking and Finance, Vol. 35, pp. 2169-2178, 2011
Number of pages: 31 Posted: 13 Oct 2010 Last Revised: 05 Jul 2011
Andre Guettler, Patrick Behr and Annekathrin Entzian
University of Ulm - Department of Mathematics and Economics, Getulio Vargas Foundation (FGV) - Brazilian School of Public and Business Administration (EBAPE) and EBS Universität für Wirtschaft und Recht - EBS Business School
Downloads 196 (153,841)

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lending relationships, microlending, information asymmetries, access to credit, loan conditions

20.

Alternative Objective Functions for Quasi-Shrinkage Portfolio Optimization

European Business School Research Paper No. 10-07
Number of pages: 33 Posted: 24 Mar 2010 Last Revised: 07 Feb 2011
Andre Guettler and Fabian Trübenbach
University of Ulm - Department of Mathematics and Economics and EBS Universität für Wirtschaft und Recht - EBS Business School - Department of Finance and Accounting
Downloads 146 (198,725)
Citation 2

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Covariance Estimation, Eigenvalues, Parameter Uncertainty, Portfolio Choice, Shrinkage

21.

European versus Anglo-Saxon Credit View: Evidence from the Eurozone Sovereign Debt Crisis

Number of pages: 44 Posted: 19 Dec 2016 Last Revised: 29 Apr 2018
University of Ulm - Department of Mathematics and Economics, University of Ulm - Department of Mathematics and Economics, University of Ulm - Department of Mathematics and Economics and Ulm University
Downloads 122 (228,988)

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Credit rating agencies, sovereign debt crisis, Eurozone, home bias

22.

Public Bank Guarantees and Allocative Efficiency

Updated version of IWH Discussion Paper 7/2015
Number of pages: 62 Posted: 23 Dec 2016 Last Revised: 19 Apr 2018
Reint Gropp, Andre Guettler and Vahid Saadi
Halle Institute for Economic Research, University of Ulm - Department of Mathematics and Economics and IE Business School, IE University
Downloads 92 (278,345)
Citation 3

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Banking, Bank Guarantees, Allocative Efficiency

Hidden Gems and Borrowers with Dirty Little Secrets: Investment in Soft Information, Borrower Self-Selection and Competition

Journal of Banking and Finance, Forthcoming
Number of pages: 52 Posted: 02 Jul 2013 Last Revised: 11 Oct 2017
Reint Gropp and Andre Guettler
Halle Institute for Economic Research and University of Ulm - Department of Mathematics and Economics
Downloads 47 (403,667)
Citation 1

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soft information, discretionary lending, relationship lending, competition

Hidden Gems and Borrowers with Dirty Little Secrets: Investment in Soft Information, Borrower Self-Selection and Competition

ECB Working Paper No. 1555
Number of pages: 46 Posted: 19 Jul 2013
Reint Gropp, Christian Gruendl and Andre Guettler
Halle Institute for Economic Research, EBS Universität für Wirtschaft und Recht and University of Ulm - Department of Mathematics and Economics
Downloads 33 (462,102)

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soft information, discretionary lending, relationship lending, competition

24.

The Impact of Downward Rating Momentum on Credit Portfolio Risk

Bundesbank Series 2 Discussion Paper No. 2008,16
Number of pages: 44 Posted: 08 Jun 2016
Andre Guettler and Peter Raupach
University of Ulm - Department of Mathematics and Economics and Deutsche Bundesbank - Research Department
Downloads 18 (530,860)

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Rating drift, Downward momentum, Credit portfolio risk, Value-at-Risk

25.

Credit Risk Assessment and Relationship Lending: An Empirical Analysis of German Small and Medium-Sized Enterprises

Journal of Small Business Management, Vol. 45, No. 2, pp. 194-213, April 2007
Number of pages: 20 Posted: 11 May 2007
Patrick Behr and Andre Guettler
Getulio Vargas Foundation (FGV) - Brazilian School of Public and Business Administration (EBAPE) and University of Ulm - Department of Mathematics and Economics
Downloads 15 (548,352)
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