skip to navigation skip to content

Mathias M. Siems

Research Associate


Corporate governance; comparative company law; financial market regulation; conflicts of laws; contracts.

Personal background

Juridical State Exams and PhD (Munich, Germany, 1998-2000); LLM (Edinburgh, 2001); Solicitor (Andersen Legal, Berlin, Germany, 2001-2002); Head of Academic Affairs / Research Assistant (Bucerius Law School, Hamburg, Germany, 2002-2003); Jean Monnet Fellow (European University Institute, Florence, Italy, 2003-4); Fulbright Scholar (Harvard Law School, Cambridge, MA, USA, 2004-2005); Associate Professor (Riga Graduate School of Law, Latvia, 2005-2006); Visiting Fellow (Centre for Business Research, University of Cambridge, 2005-2006), Research Associate (Centre for Business Research and Peterhouse, University of Cambridge, since 2006); Reader in Commercial Law (University of Edinburgh, School of Law, 2006-2008), Visiting Scholar (University of Oxford, St John's College, 2008), Professor of Law (University of East Anglia 2008-2011), Professor of Commercial Law (Durham University since 2011). 

Selected publications

Siems M. (with S. Deakin) (2010) 'Comparative Law and Finance: Past, Present and Future Research', Journal of Institutional and Theoretical Economics, 166: 120-140.

Siems M. (with J. Armour, S. Deakin, and P. Lele) (2009) 'How Do Legal Rules Evolve? Evidence From a Cross-country Comparison of Shareholder, Creditor and Worker Protection' American Journal of Comparative Law, 57: 579-630. 

Siems M. (with J. Armour, S. Deakin, P. Sarkar, and A. Singh) (2009) 'Shareholder Protection and Stock Market Development: An Empirical Test of the Legal Origins hypothesis' Journal of Empirical Legal Studies, 6: 343-380.

Siems, M. (2008) Convergence in Shareholder Law, Cambridge University Press.

Siems, M. (2008) 'Shareholder Protection Around the World ("Leximetric II")', Delaware Journal of Corporate Law 33: 111-147.

Siems, M. (2008) 'Legal Originality', Oxford Journal of Legal Studies 28: 147-164.

Siems, M. (with S. Deakin and P. Lele) (2007) 'The Evolution of Labour Law: Calibrating and Comparing Regulatory Regimes', International Labour Review 146: 133-162. 

Siems, M. (2007) 'The End of Comparative Law', Journal of Comparative Law 2: 133-150.

Siems, M. (2007) 'Legal Origins: Reconciling Law & Finance and Comparative Law', McGill Law Journal 52: 55-81.

Siems, M. (with P. Lele) (2007) 'Shareholder Protection - A Leximetric Approach', Journal of Corporate Law Studies 7: 17-50.

Siems, M. (2006) 'Legal Adaptability in Elbonia', International Journal of Law in Context 2: 393-408.

Siems, M. (2006) 'Shareholder Protection Across Countries - Is the EU on the Right Track?', CESifo DICE Report ? Journal for Institutional Comparisons 4/3, 39-43.

Siems, M. (2005), 'Numerical Comparative Law - Do We Need Statistical Evidence in Order to Reduce Complexity?', Cardozo Journal of International and Comparative Law, 13: 521-540.

Siems, M. (2005), 'The Case Against Harmonisation of Shareholder Rights', European Business Organization Law Review, 6: 539-552.

Siems, M. (with M. Gelter) (2005), 'Judicial Federalism in the ECJ's Berlusconi Case: Towards More Credible Corporate Governance and Financial Reporting?', Harvard International Law Journal, 46: 487-506.

Siems, M. (2005), 'What Does Not work in Comparing Securities Laws: A Critique on La Porta et al.'s Methodology', International Company and Commercial Law Review, 2005: 300-305.

Siems, M. (2005), 'The Impact of the European Company (SE) on Legal Culture', European Law Review, 30: 431-442.

Siems, M. (2004/5), 'The European Directive on Cross-Border Mergers: An International Model?', Columbia Journal of European Law, 11: 167-186.

Siems, M. (2004), 'Unevenly Formed Contracts: Ignoring the Mirror of Offer and Acceptance', European Review of Private Law, 12: 771-788.

Siems, M. (2004), 'The Divergence of Austrian and German Commercial law - What Kind of Commercial Do We Need in a Globalised Economy?', International Company and Commercial Law Review, 2004: 273-278.

Siems, M. (2004), 'The Rules on Conflict of Laws in the European Takeover Directive', European Company and financial Law Review, 2004: 458-476.

Contact details

Mathias M. Siems
Centre for Business Research
Cambridge Judge Business School
University of Cambridge
Trumpington Street
Cambridge CB2 1AG


View Mathias M. Siems's full profile on the Durham University website