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Stefan Reitz

    1 janvier 1964
    End-user order flow and exchange rate dynamics
    Nonlinear oil price dynamics
    Financial intermediation and the role of price discrimination in a two-tier market
    Are oil price forecasters finally right?
    On the nonlinear influence of Reserve Bank of Australia interventions on exchange rates
    Foreign exchange dealer asset pricing
    • We show that excess returns to the carry trade can be interpreted as compensation for foreign exchange dealers' capital risk. Given that the top market makers in foreign exchange are at the heart of the market's information aggregation process we also suggest that it is their marginal value of wealth which prices foreign currencies. Consistent with this hypothesis the empirical results show that shocks to the equity capital ratios of the top three foreign exchange dealers have explanatory power for the cross-sectional variation in expected currency market returns, while those of the average dealer provide no substantial additional information.

      Foreign exchange dealer asset pricing
    • We use oil price forecasts from the Consensus Economic Forecast poll to analyze how forecasters form their expectations. Our findings seem to indicate that the extrapolative as well as the regressive expectation formation hypothesis play a role. Standard measures of forecast accuracy reveal forecasters' underperformance relative to the random walk benchmark. However, this result appears to be biased due to peso problems. -- Oil price ; survey data ; forecast bias ; peso problem

      Are oil price forecasters finally right?
    • Though unambiguously outperforming all other financial markets in terms of liquidity, foreign exchange trading is still performed in opaque and decentralized markets. In particular, the two-tier market structure consisting of a customer segment and an interdealer segment to which only market makers have access gives rise to the possibility of price discrimination. We provide a theoretical foreign exchange pricing model that accounts for market power considerations and analyze a database of the trades of a German market maker and his cross section of end-user customers. We find that the market maker generally exerts low bargaining power vis-a-vis his customers. The dealer earns lower average spreads on trades with financial customers than commercial customers, even though the former are perceived to convey exchange-rate-relevant information. From this perspective, it appears that market makers provide interdealer market liquidity to end-user customers with cross-sectionally differing spreads. -- foreign exchange ; market microstructure ; pricing behavior

      Financial intermediation and the role of price discrimination in a two-tier market
    • Mathematik in der modernen Finanzwelt

      Derivate, Portfoliomodelle und Ratingverfahren

      Ziel des Buches ist es, die mathematischen Methoden und deren Anwendung, welche heutzutage typischerweise in der Finanzwelt und bei der Beschreibung von Kapitalmärkten zum Einsatz kommen, in einem Band zusammenzufassen. Der Text kann etwa als Grundlage einer zweisemestrigen Vorlesung in einem Bachelor- oder Master-Studiengang (Wirtschafts-)Mathematik dienen, und gibt den Studenten, die bereits eine einführende Vorlesung zu den Themen der klassischen Finanzmathematik absolviert haben, einen Überblick über die konkrete Anwendung weiterführender mathematischer Methoden in der Finanzwelt. Es ist weniger theorielastig als viele vergleichbare Bücher und richtet den Fokus mehr auf das "tatsächlich vermittelbare und für die Praxis relevante" Wissen.

      Mathematik in der modernen Finanzwelt
    • Zinsderivate

      Eine Einführung in Produkte, Bewertung, Risiken

      • 260pages
      • 10 heures de lecture

      Ein einführendes Lehrbuch zum Thema Zinsderivate, das neben den mathematischen Grundlagen vor allem auch die für die Praxis relevanten Aspekte abdeckt. Nach einer Übersicht über die grundlegenden Begriffe und Produkte in Kapitel 1 werden in Kapitel 2 die theoretischen Grundlagen der praxisrelevanten Zinsstrukturmodelle gelegt, um dann in Kapitel 3 die aktuell am Markt gehandelten komplexeren Zinsoptionen zu bewerten. Die für das tägliche Risikomanagement in einer Investmentbank notwendigen Verfahren zur Risikomessung von Zinsderivaten stehen im Mittelpunkt von Kapitel 4. Das Buch wendet sich an Leser mit Grundkenntnissen in Wahrscheinlichkeitstheorie und Analysis; die für das Verständnis notwendigen speziellen mathematischen Techniken aus der Stochastik werden in zwei Anhängen erläutert.

      Zinsderivate