Martin Hellwig, "Geldwert und Geldneutralität: Indirekter Tausch und Geld in der temporären Gleichgewichtstheorie," Das Wirtschaftsstudium 14, 503-508 (1985).

Martin Hellwig, "What do we know about Currency Competition?," Zeitschrift für Wirtschafts- und Sozialwissenschaften 105, 565-588 (1985).

Martin Hellwig and Douglas Gale, "Incentive-Compatible Debt Contracts: The One-Period Problem," Review of Economic Studies 52, 647-663 (1985).

Christoph Engel, "Anmerkung zu Schleswig-Holsteinisches VG 30.10.1984," StAZ 38, 79-80 (1984).

Christoph Engel, "Die französische Scheidung. Der praktische Fall aus dem Internationalen Privat- und Verfahrensrecht," Jura , 381-390 (1984).

Christoph Engel, "Vorläufige Maßnahmen gegen Täter von Verkehrsdelikten, die nicht im Besitz einer gültigen Fahrerlaubnis sind," DAR , 108-109 (1984).

Christoph Engel, "Anmerkung zu LG Düsseldorf 10.3.1983, JZ 1983, 625 (Fall Tabatabai)," Juristenzeitung , 627-629 (1983).

Christoph Engel, "Der Film "Die Weiße Rose" und die Rechtslage bei Urteilen des Volksgerichtshofs," Juristenzeitung , 192-195 (1983).

Martin Hellwig, "Moral Hazard and Monopolistically Competitive Insurance Markets," Geneva Papers on Risk and Insurance 8, 44-71 (1983).

Martin Hellwig, "A Note on the Implementation of Rational Expectations Equilibria," Economic Letters 11, 1-8 (1983).

Martin Hellwig, "Rational Expectations and the Markov Property of Temporary Equilibrium Processes," Journal of Mathematical Economics 9, 135-144 (1982).

Martin Hellwig, "Rational Expectations Equilibrium with Conditioning on Past Prices: A Mean-Variance Example," Journal of Economic Theory 26, 279-312 (1982).

Martin Hellwig, "Zur Informationseffizienz des Kapitalmarktes," Zeitschrift für Wirtschafts- und Sozialwissenschaften 102, 1-27 (1982).

Martin Hellwig, "Bankruptcy, Limited Liability, and the Modigliani-Miller Theorem," American Economic Review 71, 155-170 (1981).

Martin Hellwig, "The Aggregation of Information in Competitive Markets," Journal of Economic Theory 22, 477-498 (1980).

Martin Hellwig, "Stochastic Processes of Temporary Equilibria: A Note," Journal of Mathematical Economics 7, 287-299 (1980).

Martin Hellwig, "A Model of Borrowing and Lending with Bankruptcy," Econometrica 45, 1879-1906 (1977).

Martin Hellwig, "The Demand for Money and Bonds in Continuous-Time Models," Journal of Economic Theory 11, 462-464 (1975).

Martin Hellwig and Duncan Foley, "Asset Management with Trading Uncertainty," Review of Economic Studies 42, 327-346 (1975).

Martin Hellwig and Duncan Foley, "A Note on the Budget Constraint in a Model of Borrowing," Journal of Economic Theory 11, 305-314 (1975).