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The third generation (UMTS) spectrum auction in Germany

Grimm, Veronika; Riedel, Frank; Wolfstetter, Elmar - 2001

The third generation UMTS auction in Germany raised an enormous amount of revenue, and at the same time achieved a more … competitive market structure than other UMTS auctions in Europe. The present paper explains the design of that auction, and … presents a game theoretic explanation of observed events during the crucial phase of that auction, which have puzzled several …

Persistent link: https://www.econbiz.de/10009615427

Auctions

Müller, Sigrid M. - 2000

considerations. It addresses the problems of finding the auction that yields the greatest expected revenues to the auctioneer and …) auctions are analysed. The analysis focuses on the strategic aspect of the bidding process, i.e. the game-theoretic auction …

Persistent link: https://www.econbiz.de/10009612051

The Swiss UMTS spectrum auction flop : bad luck or bad design?

Wolfstetter, Elmar - 2001

This paper gives an account of events, and explains some systematic reasons of the UMTS auction flop in Switzerland …. Apart from general market developments, which could not have been anticipated, we argue that auction design which was … to import some key ingredients of the auction design employed in Germany and Austria. This would have assured higher …

Persistent link: https://www.econbiz.de/10009614291

Local risk-minimization under transaction costs

Lamberton, Damien; Pham, Huyên; Schweizer, Martin - 1998

We propose a new approach to the pricing and hedging of contingent claims under transaction costs in a general incomplete market in discrete time. Under the assumptions of a bounded mean-variance tradeoff, substantial risk and a nondegeneracy condition on the conditional variances of asset...

Persistent link: https://www.econbiz.de/10009576212

The costs of not knowing the radius

Rieder, Helmut; Kohl, Matthias; Ruckdeschel, Peter - 2001

We determine the increase of the maximum risk over the minimax risk in the case that the optimally robust estimator for the false radius is used. This is done by numerical solution of the implicit equations which determine optimal robustness, for location, scale, and linear regression models,...

Persistent link: https://www.econbiz.de/10009616786

Credit risk modeling and valuation : an introduction

Giesecke, Kay - 2002

Credit risk refers to the risk of incurring losses due to unexpected changes in the credit quality of a counterparty or issuer. In this paper we give an introduction to the modeling of credit risks and the valuation of credit-risky securities. We consider individual as well as correlated credit...

Persistent link: https://www.econbiz.de/10009625799

Convex measures of risk and trading constraints

Föllmer, Hans; Schied, Alexander - 2001

We introduce the notion of a convex measure of risk, an extension of the concept of a coherent risk measure defined in Artzner et aL (1999), and we prove a corresponding extension of the representation theorem in terms of probability measures on the underlying space of scenarios. As a case...

Persistent link: https://www.econbiz.de/10009615426

Coherent risk measures, valuation bounds, and (my,p)-portfolio optimization

Jaschke, Stefan R.; Küchler, Uwe - 1999

This paper presents a general theory that works out the relation between coherent risk measures, valuation bounds, and certain classes of portfolio optimization problems. It is economically general in the sense that it works for any cash stream spaces, be it in dynamic trading settings, one-step...

Persistent link: https://www.econbiz.de/10009581108

Please, marry me! : an experimental study of risking a joint venture

Güth, Werner; Ivanova-Stenzel, Radosveta; Tjotta, Sigve - 1999

Empirical studies in family economics usually rely on questionnaires, statistical or panel data. Here we try to study experimentally some crucial aspects of engaging in a marriage. First the female partner can end the relationship or suggest one of the two forms of joint venture. Whereas a full...

Persistent link: https://www.econbiz.de/10009582415

Tax evasion and risky investments in an intertemporal context : an experimental study

Giese, Sebastian; Hoffmann, Antje - 2000

In this experimental study of tax evasion and its determinants participants earn their income in a complex stochastic intertemporal environment including the possibility to invest into a risky asset. The earned income has to be declared in four tax returns which are randomly verified. If tax...

Persistent link: https://www.econbiz.de/10009583891