Although most shareholders hold diversified portfolios, the corporate finance literature postulates that shareholders maximise firm value, while managers sometimes do not. We argue to the contrary that undiversified managers may care more about firm-level risk and return than about the value of...

In this article, tests for globalization and contagion are separated using an ex ante definition of crises, and contagion tests are neutralized with respect to globalization effects. A large database is constructed to study the stability of correlation matrices for four asset classes : equities,...

This article assesses the cross-market linkages between commodities, stocks and bonds in a cointegration framework during 1993–2011

This article provides the first empirical application of the dynamic equicorrelation (DECO) model to a cross-market data set composed of equities, bonds, foreign exchange and commodity returns during 1983–2013. The results reveal that the average cross-market equicorrelation is around 47%,...

Given a multi-dimensional Markov diffusion X, the Malliavin integration by parts formula provides a family of representations of the conditional expectation E[g(X 2)|X1]. The different representations are determined by some localizing functions. We discuss the problem of variance reduction...

This article questions the role of the fair value approach in the worsening of the present financial crisis by testing its impact on the performance on the Stock Exchange of the CAC 40 companies for which the application of the IAS 39 standard is compulsory. To that end, the authors propose...

This article investigates volatility spillovers in commodity markets by following the methodology pioneered in Diebold and Yilmaz (2012). By using a broad data set during 1995–2012, we address three key research questions: are there volatility spillovers within commodities? between standard...

When the markets are dynamically complete and without imperfections there are three equivalent approaches in order to price a given asset : the arbitrage approach through the existence of a risk-neutral density, the utility approach through a utility maximization program and the equilibrium...

This article investigates momentum strategies in commodity markets. Using a Markov-switching model and formal tests for the number of regimes in the data, we identify momentum trends for a variety of commodities, exchange rates, interest rates and equities. The data cover the period 1995–2012...

In this study, we test the size and the book to market effects in explaining stock returns with co-skewness and co-kurtosis on the French Stock Market over July 1976 to June 2001 period. Results of time series regressions of monthly portfolio returns are consistent with the Fama and French...