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Arbitrage, Hedging and Financial Innovation

Davidson, Malcolm - C.E.P.R. Discussion Papers - 1996

I present a simple model in which it is possible that opening a new market makes everybody worse off. Unlike previous examples in the literature, the analysis does not rely on relative price changes of different consumption goods. This is shown in a standard framework in which uninformed traders...

Persistent link: https://www.econbiz.de/10005504789

The Dynamics of Financially Constrained Arbitrage

Gromb, Denis; Vayanos, Dimitri - C.E.P.R. Discussion Papers - 2015

We develop a model of financially constrained arbitrage, and use it to study the dynamics of arbitrage capital … the dynamics of arbitrage activity are self-correcting: following a shock that depletes arbitrage capital, profitability … trades, although arbitrageurs cut their positions in these trades the least. When arbitrage capital is more mobile across …

Persistent link: https://www.econbiz.de/10011184076

Equilibrium and Welfare in Markets with Financially Constrained Arbitrageurs

Gromb, Denis; Vayanos, Dimitri - C.E.P.R. Discussion Papers - 2001

We propose a multi-period model in which competitive arbitrageurs exploit discrepancies between the prices of two identical risky assets, traded in segmented markets. Arbitrageurs need to collateralize separately their positions in each asset, and this implies a financial constraint limiting...

Persistent link: https://www.econbiz.de/10005666703

On the Role of Arbitrageurs in Rational Markets

Basak, Suleyman; Croitoru, Benjamin - C.E.P.R. Discussion Papers - 2004

markets. Arbitrage opportunities between redundant risky assets arise endogenously in an economy populated by rational …, heterogeneous investors facing restrictions on leverage and short sales. An arbitrageur, indulging in costless, riskless arbitrage … arbitrageur lacks market power, they always take on the largest arbitrage position possible. When the arbitrageur behaves …

Persistent link: https://www.econbiz.de/10005123691

Covered Purchasing Power Parity, Ex-Ante PPP and Risk Aversion

Moore, Michael J - C.E.P.R. Discussion Papers - 1992

The standard expectations augmented theory of ex-ante purchasing power parity (PPP), which was first developed by Roll …

Persistent link: https://www.econbiz.de/10005124291

Risk Aversion and Optimal Portfolio Policies in Partial and General Equilibrium Economies

Kogan, Leonid; Uppal, Raman - C.E.P.R. Discussion Papers - 2002

In this article, we show how to analyse analytically the equilibrium policies and prices in an economy with a stochastic investment opportunity set and incomplete financial markets, when agents have power utility over both intermediate consumption and terminal wealth, and face portfolio...

Persistent link: https://www.econbiz.de/10005504284

Why is Long-Horizon Equity Less Risky? A Duration-based Explanation of the Value Premium

Lettau, Martin; Wachter, Jessica - C.E.P.R. Discussion Papers - 2005

This paper proposes a dynamic risk-based model that captures the high expected returns on value stocks relative to growth stocks, and the failure of the capital asset pricing model to explain these expected returns. To model the difference between value and growth stocks, we introduce a...

Persistent link: https://www.econbiz.de/10005504287

Wealth Transfers, Contagion and Portfolio Constraints

Pavlova, Anna; Rigobon, Roberto - C.E.P.R. Discussion Papers - 2005

This paper examines the co-movement among stock market prices and exchange rates within a three-country Centre-Periphery dynamic equilibrium model in which agents in the Centre country face portfolio constraints. In our model, international transmission occurs through the terms of trade, through...

Persistent link: https://www.econbiz.de/10005504325

Euler Equation Errors

Lettau, Martin; Ludvigson, Sydney - C.E.P.R. Discussion Papers - 2005

Among the most important pieces of empirical evidence against the standard representative agent, consumption-based asset pricing paradigm are the formidable unconditional Euler equation errors the model produces for cross-sections of asset returns. Here we ask whether calibrated leading asset...

Persistent link: https://www.econbiz.de/10005504372

Tax-Adjusted Discount Rates with Investor Taxes and Risky Debt

Cooper, Ian; Nyborg, Kjell G - C.E.P.R. Discussion Papers - 2008

This paper derives a tax-adjusted discount rate formula with a constant proportion leverage policy, investor taxes, and risky debt. The result depends on an assumption about the treatment of tax losses in default. We identify the assumption that justifies the textbook approach of discounting...

Persistent link: https://www.econbiz.de/10005504394