Martin Hellwig H. Siebert (ed), "Comment on 'Ownership and Control' by J. Franks and C. Mayer", in Trends in Business Organization: Do Participation and Cooperation Increase Competitiveness?, edited by H. Siebert (Mohr-Siebeck, Tübingen, 1995), pp. 196-200.

Christoph Engel Christoph Engel (ed) and Helmut Weber (ed), "Die Bedeutung völkerrechtlicher Anerkennungen für das Internationale Privatrecht", in Festschrift für Dietrich Rothoeft zum 65. Geburtstag, edited by Christoph Engel and Helmut Weber (1994), pp. 87-96.

Christoph Engel, "Konzentrationsprobleme im Rundfunk und ihre rechtliche Bewältigung", in Fusionskontrolle in der Sackgasse? Pluralität im Wettbewerb (Rundfunkfreiheit contra Wettbewerbskontrolle), (1994), Vol. 8, pp. 86-96.

Martin Hellwig, "Grundprobleme der Börsengesetzgebung aus ökonomischer Sicht", in Ein schweizerisches Börsengesetz im europäischen Kontext, (Europainstitut Basel, 1994).

Martin Hellwig C. Mayer (ed) and X. Vives (ed), "Spanish Translation of: Comment on 'Bank Loan Maturity and Priority when Borrowers Can Refinance' by D. Diamond", in La Intermediacion en la Construccion de Europa, edited by C. Mayer and X. Vives (Fundacion BBV, Bilbao, 1994), pp. 83-93.

Martin Beckenkamp, "Künstliche Intelligenz", in Informationstechnische Grundbildung, (Deutsches Institut für Fernstudien, Tübingen, 1993), Vol. 3, pp. 173-194.

Christoph Engel Manfred Dauses (ed), "Kommunikation und Medien", in Handbuch des EU-Wirtschaftsrechts, edited by Manfred Dauses (1993), pp. 1-30.

Martin Hellwig C. Mayer (ed) and X. Vives (ed), "Comment on 'Bank Loan Maturity and Priority when Borrowers Can Refinance' by D. Diamond", in Capital Markets and Financial Intermediation, edited by C. Mayer and X. Vives (Cambridge University Press, Cambridge, 1993), pp. 70-80.

Martin Hellwig G. Coppola (ed) and D. Corsini (ed), "Italian translation of "Banking, Financial Intermediation, and Corporate Finance"", in Studi e Informazioni, Quaderni, edited by G. Coppola and D. Corsini (Banca Toscana, Firenze, 1993), Vol. 41, pp. 287-311.

Martin Hellwig L. H. White (ed), "What do we know about Currency Competition?", in Modern theory and policy, Elgar reference collection. International Library of Macroeconomic and Financial History, no. 11., edited by L. H. White (Elgar, Aldershot, 1993), Vol. 3, pp. 324-347.

Martin Hellwig N. Blattner (ed), H. Genberg (ed), and A. Swoboda (ed), "Competitiveness in Banking: A Note on the Semantics of 'Competitiveness'", in Competitiveness in Banking, edited by N. Blattner, H. Genberg, and A. Swoboda (Physica-Verlag, Würzburg, 1992), pp. 41-50.

Martin Hellwig A. Giovannini (ed) and C. Mayer (ed), "Banking, Financial Intermediation, and Corporate Finance", in European Financial Integration, edited by A. Giovannini and C. Mayer (Cambridge University Press, Cambridge, 1991), pp. 35-63.

Martin Hellwig G. de Menil (ed) and R. J. Gordon (ed), "Comment on 'The Pure Theory of Country Risk' by Jonathan Eaton, Mark Gersovitz, and Joseph E. Stiglitz", in International volatility and economic growth: The first ten years of the International Seminar on Macroeconomics, edited by G. de Menil and R. J. Gordon (1991), pp. 429-435.

Christoph Engel Daniel Friedmann (ed) and Ernst-Joachim Mestmäcker (ed), "Trade in services between the european communities and third countries: its regulation by community law", in Rules for free international trade in services: symposium in Tel Aviv, edited by Daniel Friedmann and Ernst-Joachim Mestmäcker (Nomos Verlagsgesellschaft, Baden-Baden, 1990), Vol. 107, pp. 107-175.

Christoph Engel Ernst-Joachim Mestmäcker (ed), Karin Grabriel-Bräutigam (ed), Martin Hoffmann (ed), and Christoph Engel (ed), "Grundrechtsschutz in der Gemeinschaft", in Der Einfluß des europäischen Gemeinschaftsrechts auf die deutsche Rundfunkordnung, edited by Ernst-Joachim Mestmäcker, Karin Grabriel-Bräutigam, Martin Hoffmann, and Christoph Engel (Nomos Verlagsgesellschaft, Baden-Baden, 1990), Vol. 15, pp. 75-101.

Christoph Engel Jörg Peter (ed) and Kai-Uwe Rhein (ed), "Die Konkurrenz zw. den deutschen öffentlich-rechtlichen Rundfunkanstalten u. privaten Anbietern. Schlaglichter auf die Rechtsprechung des Bundesverfassungsgerichts aus dem Europäischen Gemeinschaftsrecht u. aus der Europäischen Menschenrechtskonvention", in Wirtschaft und Recht, edited by Jörg Peter and Kai-Uwe Rhein (1989), pp. 244-281.

Martin Hellwig G. Bombach (ed), B. Gahlen (ed), and A. E. Ott (ed), "Keine Alternative zum Schuldenerlass? (Koreferat zum Referat Nunnenkamp)", in Die nationale und internationale Schuldenproblematik, edited by G. Bombach, B. Gahlen, and A. E. Ott (Mohr Siebeck, Tübingen, 1989), Vol. 18, pp. 193-202.

Martin Hellwig S. Borner (ed), "Comment on 'Time Consistency and Trigger Mechanisms in Open-Economy Monetary Policy Games' by M. Canzoneri and D. Henderson", in International Finance and Trade in a Polycentric World, edited by S. Borner (MacMillan, 1988), pp. 360-368.

Martin Hellwig B. Rudolph (ed) and J. Wilhelm (ed), "Kreditrationierung und Kreditsicherheiten bei asymmetrischer Information: Der Fall des Monopolmarktes", in Bankpolitik, finanzielle Unternehmensführung und die Theorie der Finanzmärkte, edited by B. Rudolph and J. Wilhelm (Duncker & Humblot, Berlin, 1988), pp. 135-162.

Martin Hellwig D. Farny (ed), E. Helten (ed), P. Koch (ed), and R. Schmidt (ed), "Versicherungsmarkt: Theorie. A: Versicherungsmärkte bei vollständiger Information", in Handwörterbuch der Versicherung, edited by D. Farny, E. Helten, P. Koch, and R. Schmidt (Verlag Versicherungswirtschaft, 1988), pp. 1055-1064.