We investigate the effects of a Financial Transaction Tax (FTT) in an order-driven artificial financial market. FTTs are meant to limit short-term speculative behavior by reducing the amount of excess liquidity in the system. To quantify these effects, adjustments in trading strategies and their...

This paper uses a microstructure approach to analyze the effectiveness of capital controls introduced in Brazil to counter an appreciation of the Real. Based on a rich data set from the Brazilian foreign exchange market, we estimate a reduced-form VAR to characterize the interaction of the...

This paper uses the order book for 2007 and 2008 of a key Euro area market maker in the unsecured money market to estimate a stylized pricing model which explicitly accounts for the over – the – counter structure and the unsecured nature of these transactions. The empirical results suggest...

A contingent claims valuation model which allows to highlight the implications of program trading in spot markets for the pricing of European-style foreign currency options and for the volatility strike structure implicit in these contracts is devoloped. The curvature of the volatility strike...

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...

This study analyzes the stability of preferences through the lens of psychological motives. We report the results of a public goods experiment in which subjects were induced with the motives of Care and Anger through autobiographical recall. Subjects' preferences, beliefs, and perceptions under...

We investigate the relationship between political attitudes and prosociality in a survey of a representative sample of the U.S. population during the first summer of the COVID-19 pandemic. We find that an experimental measure of prosociality correlates positively with adherence to protective...

The paper discusses central avenues of reform in the pension and health system. The core issues are the distinction of large and small risks and the role of a competitive approach to reorganise the health system.

We assess the determinants of the wide variation in the efficiency of foreign aid activities across US-based non-governmental organizations (NGOs). In particular, we analyze whether non-charitable expenditures – i.e., administration, management and fundraising – depend on the intensity of...

Ein Jahr nach Inkrafttreten der deutschen Energierechtsnovelle sind die Konturen der zukünftigen Strommarktregulierung noch zu weiten Teilen ungeklärt. Vor diesem aktuellen wirtschaftspolitischem Hintergrund wird in diesem Papier die Frage nach einer sachgerechten Ausrichtung der...