This paper describes three methods for carrying out non-asymptotic inference on partially identified parameters that are solutions to a class of optimization problems. Applications in which the optimization problems arise include estimation under shape restrictions, estimation of models of...

This paper describes three methods for carrying out non-asymptotic inference on partially identified parameters that are solutions to a class of optimization problems. Applications in which the optimization problems arise include estimation under shape restrictions, estimation of models of...

This paper describes a method for carrying out inference on partially identified parameters that are solutions to a class of optimization problems. The optimization problems arise in applications in which grouped data are used for estimation of a model's structural parameters. The parameters are...

ARMA-GARCH-Modellierung; nicht-Normalität; normal-inverse Gauss-Verteilung (NIG-Verteilung); realisierte Momente; Staatsanleihen; Strom Forwards; stylized facts von Finanzzeitreihen; Value at Risk; Verteilung von Anleiherenditen

We derive a Gaussian approximation result for the maximum of a sum of high dimensional random vectors. Specifically, we establish conditions under which the distribution of the maximum is approximated by that of the maximum of a sum of the Gaussian random vectors with the same covariance...

We derive a central limit theorem for the maximum of a sum of high dimensional random vectors. More precisely, we establish condi- tions under which the distribution of the maximum is approximated by the maximum of a sum of the Gaussian random vectors with the same covariance matrices as the...

We develop a new direct approach to approximating suprema of general empirical processes by a sequence of suprema of Gaussian processes, without taking the route of approximating empirical processes themselves in the sup-norm. We prove an abstract approximation theorem that is applicable to a...

Knowledge compilation is a common technique for propositionallogic knowledge bases. A given knowledge base is transformedinto a normal form, for which queries can be answered efficiently. Thisprecompilation step is expensive, but it only has to be performed once.We apply this technique to...

This article examines the ability of time-varying Gaussian and Student t copulas to accurately predict the probability of joint extreme co-movements in stock index returns. Using a sample of more than 20 years of daily return observations of the Eurostoxx50 and Dow Jones Industrial stock...

Empirical results from several studies indicate that changes in interest rates andchanges in credit spreads are negatively related in the short run. These findings arefurther investigated by examining the dependence structure between interest rateand credit risk factor changes that are computed...

This article presents the concept of a copula-based top-down approachin the field of financial risk aggregation. Selected copulasand their properties are presented. Copula parameter estimation andgoodness-of-fit tests are explained and algorithms for the simulationof copulas and...

Was seit 1973 als Durchbruch in der Optionspreistheorie gilt und im Jahre1997 mit dem Wirtschafts-Nobelpreis ausgezeichnet wurde, hat der sterreicherVinzenz Bronzin 65 Jahre frher – im Jahr 1908 – umfassender, einfacherverstndlich und notabene: auf deutsch in einer kurzen Monografie...

Nahezu rein analytische Vorgehensweise, kaum Text.

Die offensichtlich zunehmende Volatilität an den Finanzmärkten verbunden mit immer häufiger auftretenden extremen Ausschlägen sind der Grund für die wachsende Bedeutung des finanziellen Risikomanagements. In den letzten Jahren hat sich die Value-at-Risk-Methodik in diesem Zusammenhang als...

What is the role of contracting schemes for the welfare costs of nominal rigidities over the business cycle? We examine 4 different modeling schemes of nominal rigidities that all have the same average duration of contracts. We find that Calvo (1983) wage and price contracts may deliver welfare...

Die übliche Schätzfunktion zur Bestimmung der relativen Lohndifferenz mittels Dummyvariable in einer log-linearen Regressionsfunktion ist inkonsistent, falls gruppenspezifische Heteroskedastie vorliegt. Die Richtung und Größenordnung der Verzerrung wird abgeleitet. Ein Fallbeispiel zur...