Ioanid Rosu

Vita

My CV in PDF format (updated February 18th, 2021).

Interests

  • Asset Pricing, Market Microstructure, Game Theory.

Employment

  • Associate Professor of Finance, HEC Paris, 2010-2015 (without tenure), 2015-present (with tenure).
  • Assistant Professor of Finance, University of Chicago, Booth School of Business, 2004 - 2010.

Education

  • Ph.D. in Financial Economics, MIT Sloan School, June 2004.
  • Ph.D. in Mathematics, MIT, June 1999.
  • B.A. and Diploma in Mathematics, University of Bucharest, June 1994.

Research and Publications

  • Evolution of Shares in a Proof-of-Stake Cryptocurrency,  with Fahad Saleh; Management Science 67 (2021), 661-672 (lead article).
  • Option Prices and the Probability of Success of Cash Mergers, with Alan Bester and Victor Martinez; Journal of Financial Econometrics, forthcoming.
  • Quoting Activity and the Cost of Capital,  with Elvira Sojli and Wing Wah Tham; Journal of Financial and Quantitative Analysis, forthcoming.
  • Liquidity and Information in Limit Order Markets;  Journal of Financial and Quantitative Analysis 55 (2020), 1792-1839.
  • Fast and Slow Informed Trading; Journal of Financial Markets 43 (2019), 1-30 (lead article).
  • News Trading and Speed, with Johan Hombert and Thierry Foucault; Journal of Finance 71 (2016), 335-382.
  • A Dynamic Model of the Limit Order Book; Review of Financial Studies 22 (2009), 4601-4641.
  • Dynamic Adverse Selection and Liquidity; working paper.
  • On the Derivation of the Black-Scholes Formula,  with Dan Stroock; Séminaire de Probabilités 37 (2004), 399-414.
  • Order Choice and Information in Limit Order Markets; Chapter 2 in Market Microstructure; Confronting Many Viewpoints (2012), Wiley.
  • Multi-Stage Game Theory in Continuous Time;  working paper.
  • Equivariant Elliptic Cohomology and Rigidity;  American Journal of Mathematics 123 (2001), 647-677.
  • Equivariant K-Theory and Equivariant Cohomology,  appendix with Allen Knutson; Mathematische Zeitschrift 243 (2002), 423-448.

Awards

  • Best Paper Award (2018) for "Quoting Activity and the Cost of Capital," Behavioural Finance and Capital Markets Conference, Melbourne.
  • Dauphine Foundation Award (2015) for "News Trading and Speed," Amundi-Dauphine Chair in Asset Management, Paris.
  • Best Teacher, Fundamental Phase (2011, 2012, 2013, 2014, 2015, 2016), HEC Paris MBA.
  • Funniest Teacher (2013), Best Teaching Style (2014), Tough Teacher But We'll Thank In 5 Years (2019), HEC Paris MBA.
  • Best Paper Award (2013) for "News Trading and Speed," Colloquium of Financial Markets Conference in Cologne, Germany.
  • Best Economics/Finance Research Paper Award (2011) for "Liquidity and Information in Order Driven Markets," CFA Romania.
  • Merrill Lynch Fellowship (1999-2003), Zannetos Fellowship (2000-2001), Pappas Fellowship, Gerrity Fellowship (2001-2002), MIT Sloan School of Management.
  • Charlie Housman Award for Excellence in Teaching (1997), MIT Dept. of Mathematics.

Invited Talks

  • 2020: Univ. of Madrid Carlos III; Equilibrium Models Workshop in University College London.
  • 2019: Vrije Universiteit Amsterdam, European Finance Association in Carcavelos, NYU Stern Microstructure Conference.
  • 2018: Stockholm Business School, Academy of Economic Studies in Bucharest (x2), Cass Business School; AFFI/Eurofidai conference in Paris, Australasian Finance and Banking Conference*, Financial Management Association in San Diego*, Behavioural Finance and Capital Markets conference in Melbourne*, European Finance Association in Warsaw, Algorithmic Technology Workshop in Luxembourg, Monash Financial Markets Workshop*.
  • 2017: Univ. of British Columbia, Pontifical Univ. Chile, Univ. of Chile; AFFI/Eurofidai conference in Paris, Hong Kong Conference on Market Design and Regulation in the Presence of High-Frequency Trading*, FIRN Annual Conference in Sydney*, Northern Finance Association in Halifax*, SAFE Market Microstructure Conference in Frankfurt*, Erasmus Liquidity Conference in Rotterdam, RMI Risk Management Conference in Singapore*, CEPR-Imperial-Plato Conference in London, Frontiers of Finance Conference in London, FIRN Sydney Market Microstructure Conference*.
  • 2016: Univ. of Sydney, Univ. of New South Wales, Univ. of Technology Sydney; CEPR Gerzensee.
  • 2015: Aalto Univ.; AFFI/Eurofidai conference in Paris, CEPR Gerzensse, Amundi-Dauphine Workshop in Paris*.
  • 2014: Univ. of Leuven, Univ. of Bristol; Univ. of Toulouse Conference on Electronic Trading, European Finance Association in Lugano, SFS Finance Cavalcade*, Univ. of Chicago HFT Conference.
  • 2013: Univ. of Illinois at Urbana-Champaign*, Oxford*, IESE*, INSEAD; European Finance Association in Cambridge UK, CEPR Gerzensee*, High Frequency Trading Conference in Paris*, Colloquium on Financial Markets Conference in Cologne*, SGF Conference in Zürich*, Bachelier Conference in Paris*, UBC Winter Conference*, Paris Hedge Fund Conference*, American Finance Association in San Diego.
  • 2012: Univ. of Lugano, ESSEC, Univ. of Copenhagen, Univ. of Madrid Carlos III, Univ. Paris-Dauphine, Leicester; Market Microstructure Conference in Paris, Central Bank Microstructure Conference in Ottawa, CNMV International Conference in Madrid*, NYU Stern Microstructure Conference.
  • 2011: Univ. of Durham, INSEAD, Cass Business School, Ecole Polytechnique Fiesta Seminar; Central Bank Conference on Market Microstructure in Norway, Society for Advancement of Economic Theory in Portugal, ESSEC-HEC-INSEAD-PSE Workshop in Paris.
  • 2010: Erasmus, Tilburg, Univ. of Toulouse, HEC Lausanne, HEC Paris; Market Microstructure Conference in Paris, European Finance Association in Frankfurt, Western Finance Association in Virginia, American Finance Association in Atlanta.
  • 2009: NYU Courant Institute, SUNY Buffalo, Univ. of Toronto Economics, Bank of Canada, HEC Lausanne; Mathematical Finance Conference at PennState, American Finance Association in San Francisco.
  • 2008: Univ. of Illinois Urbana-Champaign, Stanford GSB, Univ. of California Berkeley, Chicago Booth; NBER Microstructure Meeting, Central Bank Conference on Market Microstructure in Hong Kong.
  • 2007: Academy of Economic Studies in Bucharest, Chicago Booth; Conference on Trading Frictions in Asset Markets at Santa Barbara.
  • 2006: Tel Aviv Univ., Hebrew Univ., Princeton; Stochastic Processes and Applications in Paris.
  • 2005: Chicago Booth, CUNY Baruch, Univ. of Toronto-Rotman, Academyy of Economic Studies in Bucharest; Queueing Games Conference at WUSTL-Olin, Western Finance Association in Portland.
  • 2004: Chicago Booth, Wharton, Univ. of Michigan-Ross, Carnegie Mellon, Kellogg, Univ. of Toronto-Rotman, Notre Dame, Univ. of California Berkeley; NBER Microstructure Meeting.
  • 2003: MIT Economics, MIT Sloan.
  • Mathematics Talks: MIT Statistics and Stochastics Seminar (2002), Univ. of Rochester (1998), Brown Univ. (1998), Univ. of Chicago (1997), Northwestern Univ. (1997), Johns Hopkins Univ. (1997); AMS Homotopy Theory Session in Baltimore (1998), Lehigh Univ. Geometry and Topology Conference (1997), Elliptic Cohomology and Vertex Operator Algebras Conference in Glasgow (1997).

* Presentation by coauthor.
† Event canceled by the organizers due to Covid-19.

Conference Discussions

  • 2020: Future of Financial Information conference in Stockholm.
  • 2019: European Finance Association in Carcavelos (Doctoral Tutorial).
  • 2018: AFFI/Eurofidai conference in Paris, European Finance Association in Warsaw, Western Finance Association in Coronado CA, Financial Intermediation Research Society in Barcelona, NYU Stern Microstructure Conference.
  • 2017: AFFI/Eurofidai conference in Paris, Erasmus Liquidity Conference in Rotterdam, Insead Finance Symposium, LSE Paul Woolley Conference, Frontiers of Finance Conference in London, Adam Smith Conference, American Finance Association in Chicago.
  • 2016: European Finance Association in Oslo, Western Finance Association in Park City UT, Dauphine Microsctructure Conference in Paris, NYU Stern Microstructure Conference.
  • 2015: AFFI/Eurofidai conference in Paris, Central Bank Conference on Market Microstructure in Dublin, European Finance Association in Vienna (x2), American Finance Association in Boston (x2).
  • 2014: European Finance Association in Lugano (x2), Western Finance Association in Monterey.
  • 2013: Erasmus Liquidity Conference in Rotterdam, Financial Intermediation Research Society, NYU Stern Microstructure Conference.
  • 2012: Erasmus Liquidity Conference in Rotterdam, American Finance Association in Chicago.
  • 2011: Tel Aviv Finance Conference, Western Finance Association in Santa Fe.
  • 2010: NBER Microstructure Meeting, MTS Conference on Financial Markets in London, European Finance Association in Frankfurt, American Finance Association in Atlanta.
  • 2009: Central Bank Conference on Market Microstructure in Zurich.
  • 2008: Central Bank Conference on Market Microstructure in Hong Kong, NBER Microstructure Meeting, American Finance Association in New Orleans.
  • 2005: NBER Microstructure Meeting.
  • 2003: NBER Microstructure Meeting.

Academic Service

  • Editorial Board: Associate Editor, Journal of Financial Markets (since 2013), Mathematical Finance (since 2020).
  • Program Committee: Western Finance Association (2009, 2011-2020), European Finance Association (2012-2020).
  • Session Chair: Financial Intermediation Research Society (2018), European Finance Association (2017, 2018), American Finance Association (2011).
  • Referee Work: Journal of Finance, Review of Financial Studies, Journal of Financial Economics, Journal of Financial and Quantitative Analysis, Review of Finance, Management Science, Journal of Financial Markets, Journal of Financial Intermediation, Journal of Business and Finance, Journal of Financial Econometrics, Journal of Empirical Finance; Mathematical Finance, Quantitative Finance, Market Microstructure and Liquidity; Journal of Political Economy, Econometrica, Review of Economic Studies, Journal of Economic Theory, RAND Journal of Economics, Journal of the European Economic Association, Economic Journal; Journal of Accounting Research; Operations Research.

Teaching Experience

  • HEC Executive MSc in Finance: Asset Management 2019-2021.
  • HEC HEC MSc International Finance (MIF): Securities Markets 2013-2016 and 2020.
  • HEC HEC MSc International Finance (MIF): Introduction to Finance 2016 and 2018-2020.
  • HEC MBA: Corporate Finance 2019-2020.
  • HEC MBA: Financial Markets 2010-2015 and 2019.
  • Chicago Booth Executive MBA: Investments and Financial Instruments 2010.
  • Chicago Booth MBA: Investments Winter 2005-2010, Spring 2007 and 2010, Summer 2010.
  • Chicago Booth PhD: Asset Pricing and Market Microstructure 2006.
  • MIT Mathematics: Undergraduate Topology 1998, Calculus for Navy officers 1997.

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