Publications

Free Trade and Investment

Editorship: YSEC Yearbook of Socio-Economic Constitutions (Series co-editor with Andres Moberg), Springer

18. November 2023

Risking the Rule of Law? The Relationship between Substantive Investment Protection Standards, Human Rights, and Sustainable Development (together with Patricia Sarah Stöbener de Mora und Niels Lachmann)

18. August 2023

Report on the CELIS Forum on Investment Screening (in collaboration with Jens Hillebrand Pohl)

18. January 2023

Noch einen Nachschlag gefällig? Der Vorschlag der Bundesregierung zu einer Interpretationserklärung zum CETA-Abkommen und deren Auswirkungen auf die Handelspolitik (Want another serving? The German Government’s Proposal for an Interpretative Declaration on the CETA Agreement and its Implications for Trade Policy) (in collaboration with Julia Nassl)l)

18. December 2022

Art 107 AEUV – Bezug zum WTO Recht (Art. 107 TFEU – Relationship with WTO rules (anti-subsidy rules),

18. November 2022

The Art of Casting Political Dissent in Law: The EU’s Framework for Screening of Foreign Direct Investment

11. September 2020

Towards a “Common European Law on Investment Screening (CELIS)

10. September 2020

A Complex Setting of Cooperation and (potential) Conflict – Regulation (EU) 2019/452 in a Doctrinal Perspective

10. September 2020

The Price for a Seat at the ISDS Reform Table – CJEU’s clearance of the EU’s investment protection policy in Opinion 1/17 and its impact on the EU constitutional order

3. March 2020

Stocktaking of investment protection provisions in EU agreements and Member States’ bilateral investment treaties and their impact on the coherence of EU policy

27. March 2019

Defence Procurement between the Purchaser’s Freedom of Determination and the Legislative Aim of Ensuring Competition

25. February 2019

Debate: A Common European Law on Investment Screening?

4. February 2019

Conceptualisation and Application of the Principle of Autonomy of EU Law – The CJEU’s Judgement in Achmea Put in Perspective

14. October 2018

The Limited Immediate Effects of CJEU’s Achmea Judgement

9. March 2018

Enemy at the Gates? Die aktuellen Änderungen der Investitionsprüfvorschriften in der Außenwirtschaftsverordnung im Lichte des Unionsrechts (Enemy at he Gates? Recent Changes in the German rules on Investment Screening in the Light of EU Law)

13. November 2017

Study for the European Parliament on In Pursuit of an International Investment Court. Recently Negotiated Investment Chapters in EU Comprehensive Free Trade Agreements in Comparative Perspective (in collaboration with Teoman M. Hagemeyer)

18. July 2017

In Pursuit of an International Investment Court. Recently Negotiated Investment Chapters in EU Comprehensive Free Trade Agreements in Comparative Perspective

4. July 2017

Umfassende Wirtschafts- und Handelsabkommen – Das Recht der Happy Few? (Comprehensive Economic and Trade Agreements – The Law of the Happy Few?)

1. June 2017

The Day After: Alternatives to Intra-EU BITs

1. December 2016

Towards a More Comprehensive Approach in International Investment Law

21. January 2016

Conclusion and Outlook: Whither International Investment Law?

21. January 2016

Shifting Paradigms in International Investment Law – More Balanced, Less Isolated, Increasingly Diversified

21. January 2016

The Intersection of Parallel Lines: How Foreign-Investment Protection Affects Regional Social-Justice Policy

4. January 2016

The Foundations of International Investment Law – Bringing Theory into Practice, Zachary Douglas, Joost Pauwelyn, and Jorge E. Viñuales (eds), Oxford University Press, 2014

1. January 2016

Editorial: Realpolitik statt Pseudo-Revolution: Aktuelle Reformvorschläge im Investitionsschutzrecht (Op-ed: Realpolitik instead of Pseudo-Revolution: Current Reform Proposals in Investment Protection)

12. November 2015

Essentials of a Modern Investment Protection Regime – Objectives and Recommendations for Action

1. October 2015

The Investment Chapters of the EU’s International Trade and Investment Agreements in a Comparative Perspective

29. September 2015

Grundzüge eines modernen Investitionsschutzes – Ziele und Handlungsempfehlungen – Ein realpolitischer Vorschlag zur Reform des Investitionsschutzes zwischen CETA-Text und den Kommissionsvorschlägen zu TTIP (Essentials of a Modern Investment Protection Regime – Objectives and Recommendations for Action)

1. September 2015

Re-Organizing Europe’s Judicial Power through the Backdoor?

8. March 2015

Repellent Forces: The CJEU and Investor-State Dispute Settlement

1. March 2015

Study for the European Parliament on Investor-State Dispute Settlement (‘ISDS’) and Alternatives of Dispute Resolution in International Investment Law

18. September 2014

Study on Investor-State Dispute Settlement (‘ISDS’) and Alternatives of Dispute Resolution in International Investment Law

4. September 2014

Investor-state dispute settlement – Pulling the chain tighter

17. April 2014

The Autonomy of the European Legal Order – EU Constitutional Limits to Investor-State Arbitration on the Basis of Future EU Investment-related Agreements

21. March 2013

How "new" EU Member States should approach investment claims by EU investors

1. January 2013

Circumventing Primacy of EU Law and the CJEU’s Judicial Monopoly by Resorting to Dispute Resolution Mechanisms Provided for in Inter-se Treaties? The Case of Intra-EU Investment Arbitration

1. April 2012

Member State BITs – There’s Still (Some) Life in the Old Dog Yet. Incompatibility of Existing Member State BITs with EU Law and Possible Remedies

16. February 2012

International Investment Law and EU Law

1. December 2011

Der primärrechtliche Rahmen einer EU-Investitionsschutzpolitik: Zulässigkeit und Grenzen von Investor-Staat-Schiedsverfahren aufgrund künftiger EU Abkommen (The EU Primary Law Framework on a Common European Investment Policy: Admissibility and Limits of Investor-State-Arbitration on the Basis of Future EU Investment Treaties)

10. June 2011

Restitution and Compensation – Reconstructing the Relationship in International Investment Law

9. June 2011

The EU’s Common Investment Policy – Connecting the Dots: Origins, Trends, and Perspectives

11. January 2011

Die Gemeinsame Europäische Investitionspolitik – Alter Wein in neuen Schläuchen?; Basis und Entwicklungslinien der Unionskompetenz zur Regelung ausländischer Investitionen (The Common European Investment Policy – Old Wine in New Skins?; The Basis and Development Directions of the EU Regulatory Competence on Foreign Investment)

8. October 2010

Internationaler Investitionsschutz und Europarecht (International Investment Protection and EU Law)

8. October 2010

Turkey – Soon to Face a Wave of International Investment Arbitrations? – Turkey’s Recent Foreign Direct Investment Hype and the Challenge to Treat the Newcomers in Accordance with the Standards Required by International Investment Instruments

1. October 2009

Direktinvestitionen und die Europäische Kapitalverkehrsfreiheit im Drittstaatenverhältnis (Direct Investments and the European Freedom of Capital Movement in a Third Country Context)

4. September 2009

Protection against Indirect Expropriation under National and International Legal Systems

1. May 2009

Wie viel Freiheit wagen? Das Verhältnis von EG Kapitalverkehrs- und Niederlassungsfreiheit und die Reglementierung von Direktinvestitionen in und aus Drittstaaten (The Relationship of the EC Freedoms of Capital Movement and Establishment und the Regulation of Direct Investments Originating from or Directed to Third Countries)

29. January 2008

The EC Treaty’s Freedom of Capital Movement as an Instrument of International Investment Law? The Scope of Article 56 (1) TEC in a Third Country Context and the Influence of Competing Freedoms

10. December 2007

Perenos za predely strany jeffektivnoj pravovoj zashhity protiv kosvennoj jekspropriacii

1. March 2007

The Missing Bit – To Be Substituted by BITs? The Inadequacy of Russian Law as an Example for Indirect Expropriation

1. March 2007

“No Equals in Wrong?” The Issue of Discrimination in an Environment of Illegality. Some Thoughts to Encourage Discussion

1. December 2006

Externalization of Effective Legal Protection against Indirect Expropriation – Can the Legal Order of Developing Countries Live up to the Standards Required by International Investment Agreements? A Disenchanting Comparative Analysis

1. February 2006

Das Internationale Investitionsrecht – Reflexionen über einen ausgebliebenen Konstitutionalisierungsprozess (International Investment Law – Reflexions on a Failed Constitutionalisation)

1. January 2005

Bilateral Investment Treaties, Custom and a Healthy Investment Climate – The Question of Whether BITs Influence Customary International Law Revisited

1. October 2004

Administrative Law

Editorship: YSEC Yearbook of Socio-Economic Constitutions (Series co-editor with Andres Moberg), Springer

18. November 2023

§§ 104, 117 GWB; §§ 144-147 GWB; §§ 5 – 6d VS; §§ 6, 7 VsVgV (in collaboration with Dominik Eisenhut),

18. November 2022

Defence Procurement between the Purchaser’s Freedom of Determination and the Legislative Aim of Ensuring Competition

25. February 2019

Enemy at the Gates? Die aktuellen Änderungen der Investitionsprüfvorschriften in der Außenwirtschaftsverordnung im Lichte des Unionsrechts (Enemy at he Gates? Recent Changes in the German rules on Investment Screening in the Light of EU Law)

13. November 2017

§ 33 – Die mittelbare Unionsverwaltung durch die Mitgliedstaaten (The Execution of EU Law by EU Member State Administrations)

21. October 2014

Fortgeschrittenenklausur – Öffentliches Recht: Hier kommt die Maut! (Test for Advanced Students – Public Law: Here comes the Street Toll)

25. August 2014

Der Einfluss der Grundfreiheiten auf direkte Steuern (The Impact of EU Law on Direct Taxation)

25. April 2014

Die Entwicklung des gerichtlichen Rechtsschutzes im deutschen Außenwirtschaftsrecht – Effektiver Rechtsschutz und administrative Letztentscheidung nach dem deutschen Außenwirtschaftsgesetz und der europäischen Dual-use Verordnung im Bereich des Ausfuhrrechts (The Development of Judicial Remedies in the Field of German Foreign Trade Law – Effective Legal Protection and Administrative Ultimate Decisionmaking according to German Foreign Trade Law and the European Dual-Use Regulation in the Area of Export Legislation)

10. October 2013

Free Movement of Capital

Risking the Rule of Law? The Relationship between Substantive Investment Protection Standards, Human Rights, and Sustainable Development (together with Patricia Sarah Stöbener de Mora und Niels Lachmann)

18. August 2023

Report on the CELIS Forum on Investment Screening (in collaboration with Jens Hillebrand Pohl)

18. January 2023

Guest Editorial: Privatising Investment Control: A Renaissance for Restricted Shares? (in collaboration with Jens Hillebrand Pohl)

18. September 2021

The Art of Casting Political Dissent in Law: The EU’s Framework for the Screening of Foreign Direct Investment (in collaboration with Andreas Moberg)

18. December 2020

The Art of Casting Political Dissent in Law: The EU’s Framework for Screening of Foreign Direct Investment

11. September 2020

Towards a “Common European Law on Investment Screening (CELIS)

10. September 2020

A Complex Setting of Cooperation and (potential) Conflict – Regulation (EU) 2019/452 in a Doctrinal Perspective

10. September 2020

Enemy at the Gates? Die aktuellen Änderungen der Investitionsprüfvorschriften in der Außenwirtschaftsverordnung im Lichte des Unionsrechts (Enemy at he Gates? Recent Changes in the German rules on Investment Screening in the Light of EU Law)

13. November 2017

Der Einfluss der Grundfreiheiten auf direkte Steuern (The Impact of EU Law on Direct Taxation)

25. April 2014

EU Law Determinants of the German Tax Law (orig. lang. Japanese)

1. March 2013

Die steuerliche Behandlung drittstaatlicher Dividenden und die europäischen Grundfreiheiten – Die teilweise (Wieder-)Eröffnung des Schutzbereiches der Kapitalverkehrsfreiheit für Dividenden aus drittstaatlichen Direktinvestitionen – zugleich eine Besprechung des Urteils in der Rechtssache Test Claimants in the FII Group Litigation II (The Tax Treatment of Dividends originating from Non-EU Countries and EU Fundamental Freedoms)

1. January 2013

Articles 63 to 66 and Article 75 TFEU (Free Movement of Capital and Payments)

1. January 2013

International Investment Law and EU Law

1. December 2011

The EU’s Common Investment Policy – Connecting the Dots: Origins, Trends, and Perspectives

11. January 2011

Die Gemeinsame Europäische Investitionspolitik – Alter Wein in neuen Schläuchen?; Basis und Entwicklungslinien der Unionskompetenz zur Regelung ausländischer Investitionen (The Common European Investment Policy – Old Wine in New Skins?; The Basis and Development Directions of the EU Regulatory Competence on Foreign Investment)

8. October 2010

Internationaler Investitionsschutz und Europarecht (International Investment Protection and EU Law)

8. October 2010

Gestufte Freiheitsverbürgung? – Art. 63 Abs. 1 AEUV (ex-Art. 56 Abs. 1 EG) im Drittstaatenkontext (Applying Double Standards? – Art. 63 (1) TFEU (ex-Art. 56 (1) TEC) in a Third-Country Context)

1. January 2010

Direktinvestitionen und die Europäische Kapitalverkehrsfreiheit im Drittstaatenverhältnis (Direct Investments and the European Freedom of Capital Movement in a Third Country Context)

4. September 2009

The Free Movement of Capital and Foreign Direct Investment: The Scope of Protection in EU Law

9. July 2009

Wie viel Freiheit wagen? Das Verhältnis von EG Kapitalverkehrs- und Niederlassungsfreiheit und die Reglementierung von Direktinvestitionen in und aus Drittstaaten (The Relationship of the EC Freedoms of Capital Movement and Establishment und the Regulation of Direct Investments Originating from or Directed to Third Countries)

29. January 2008

The EC Treaty’s Freedom of Capital Movement as an Instrument of International Investment Law? The Scope of Article 56 (1) TEC in a Third Country Context and the Influence of Competing Freedoms

10. December 2007

Autonomy of EU Law – CJEU

How a US District Court Enforces EU Law: Achmea Goes to Washington (in collaboration with Julia Nassl and Argha Kumar Jena).

19. April 2023

Gastkommentar (Guest Commentary): Der schmale Grat zwischen Autonomie und Protektionismus (The Small Ridge between Protectionism and Autonomy

18. April 2021

The Price for a Seat at the ISDS Reform Table – CJEU’s clearance of the EU’s investment protection policy in Opinion 1/17 and its impact on the EU constitutional order

3. March 2020

Stocktaking of investment protection provisions in EU agreements and Member States’ bilateral investment treaties and their impact on the coherence of EU policy

27. March 2019

Conceptualisation and Application of the Principle of Autonomy of EU Law – The CJEU’s Judgement in Achmea Put in Perspective

14. October 2018

The Limited Immediate Effects of CJEU’s Achmea Judgement

9. March 2018

The Day After: Alternatives to Intra-EU BITs

1. December 2016

The Intersection of Parallel Lines: How Foreign-Investment Protection Affects Regional Social-Justice Policy

4. January 2016

Re-Organizing Europe’s Judicial Power through the Backdoor?

8. March 2015

Repellent Forces: The CJEU and Investor-State Dispute Settlement

1. March 2015

§ 33 – Die mittelbare Unionsverwaltung durch die Mitgliedstaaten (The Execution of EU Law by EU Member State Administrations)

21. October 2014

Investor-state dispute settlement – Pulling the chain tighter

17. April 2014

The Autonomy of the European Legal Order – EU Constitutional Limits to Investor-State Arbitration on the Basis of Future EU Investment-related Agreements

21. March 2013

Circumventing Primacy of EU Law and the CJEU’s Judicial Monopoly by Resorting to Dispute Resolution Mechanisms Provided for in Inter-se Treaties? The Case of Intra-EU Investment Arbitration

1. April 2012

Member State BITs – There’s Still (Some) Life in the Old Dog Yet. Incompatibility of Existing Member State BITs with EU Law and Possible Remedies

16. February 2012

International Investment Law and EU Law

1. December 2011

Der primärrechtliche Rahmen einer EU-Investitionsschutzpolitik: Zulässigkeit und Grenzen von Investor-Staat-Schiedsverfahren aufgrund künftiger EU Abkommen (The EU Primary Law Framework on a Common European Investment Policy: Admissibility and Limits of Investor-State-Arbitration on the Basis of Future EU Investment Treaties)

10. June 2011

European Law

Editorship: YSEC Yearbook of Socio-Economic Constitutions (Series co-editor with Andres Moberg), Springer

18. November 2023

How a US District Court Enforces EU Law: Achmea Goes to Washington (in collaboration with Julia Nassl and Argha Kumar Jena).

19. April 2023

. Recent Changes in the German Investment Screening Mechanism in Light of the EU Screening Regulation (in collaboration with Teoman M. Hagemeyer-Witzleb)

18. March 2023

Art 107 AEUV – Bezug zum WTO Recht (Art. 107 TFEU – Relationship with WTO rules (anti-subsidy rules),

18. November 2022

§§ 104, 117 GWB; §§ 144-147 GWB; §§ 5 – 6d VS; §§ 6, 7 VsVgV (in collaboration with Dominik Eisenhut),

18. November 2022

Gastkommentar (Guest Commentary): Der schmale Grat zwischen Autonomie und Protektionismus (The Small Ridge between Protectionism and Autonomy

18. April 2021

The Art of Casting Political Dissent in Law: The EU’s Framework for the Screening of Foreign Direct Investment (in collaboration with Andreas Moberg)

18. December 2020

Towards a “Common European Law on Investment Screening (CELIS)

10. September 2020

Anwendung des Europäischen Wettbewerbsrechts im EWR

10. August 2020

The Price for a Seat at the ISDS Reform Table – CJEU’s clearance of the EU’s investment protection policy in Opinion 1/17 and its impact on the EU constitutional order

3. March 2020

Study for the European Parliament on Stocktaking of Investment Protection Provisions in EU Agreements and Member States’ Bilateral Investment Treaties and Their Impact on the Coherence of EU Policy (in collaboration with Jurgita Baur)

18. March 2019

Defence Procurement between the Purchaser’s Freedom of Determination and the Legislative Aim of Ensuring Competition

25. February 2019

Debate: A Common European Law on Investment Screening?

4. February 2019

Conceptualisation and Application of the Principle of Autonomy of EU Law – The CJEU’s Judgement in Achmea Put in Perspective

14. October 2018

Study for the European Parliament on Free Trade Agreement between the EU and the Socialist Republic of Vietnam submitted to the European Parliament (in collaboration with Theoman M. Hagemeyer and Simon Richtmann)

18. April 2018

The Limited Immediate Effects of CJEU’s Achmea Judgement

9. March 2018

Enemy at the Gates? Die aktuellen Änderungen der Investitionsprüfvorschriften in der Außenwirtschaftsverordnung im Lichte des Unionsrechts (Enemy at he Gates? Recent Changes in the German rules on Investment Screening in the Light of EU Law)

13. November 2017

Study for the European Parliament on In Pursuit of an International Investment Court. Recently Negotiated Investment Chapters in EU Comprehensive Free Trade Agreements in Comparative Perspective (in collaboration with Teoman M. Hagemeyer)

18. July 2017

Umfassende Wirtschafts- und Handelsabkommen – Das Recht der Happy Few? (Comprehensive Economic and Trade Agreements – The Law of the Happy Few?)

1. June 2017

Editorial: Realpolitik statt Pseudo-Revolution: Aktuelle Reformvorschläge im Investitionsschutzrecht (Op-ed: Realpolitik instead of Pseudo-Revolution: Current Reform Proposals in Investment Protection)

12. November 2015

Study for the European Parliament on The Investment Chapters of the EU’s International Trade and Investment Agreements in a Comparative Perspective (in collaboration with Carl-Philipp Sassenrath)

18. September 2015

§ 33 – Die mittelbare Unionsverwaltung durch die Mitgliedstaaten (The Execution of EU Law by EU Member State Administrations)

21. October 2014

Study for the European Parliament on Investor-State Dispute Settlement (‘ISDS’) and Alternatives of Dispute Resolution in International Investment Law

18. September 2014

Fortgeschrittenenklausur – Öffentliches Recht: Hier kommt die Maut! (Test for Advanced Students – Public Law: Here comes the Street Toll)

25. August 2014

Potenziale europäischer Politik nach Lissabon – Europapolitische Perspektiven für Deutschland, seine Institutionen, seine Wirtschaft und seine Bürger (Potentials of European Policy after Lisbon – EU-Policy Perspectives for Germany, its Institutions, its Business and its Citizens)

1. January 2010