Information processing filters out the noise in data but it takes time. Hence, low precision signals are available before high precision signals. We analyze how this feature affects asset price informativeness when investors can acquire signals of increasing precision over time about the payoff...

In this paper, we try to build an efficient portfolio among four possible portfolios based on the some 31 Casablanca listed shares. Our analysis concerns the risk which arises from the Markowitz mean-variance approach. Our work method will be implemented as following: first of all, we will test...

The management of financial risks, which is a branch of financial theory, is defined as a process that begins with risk factors identification, continues with measurement of risk and concludes with the coverage of that risk. This work focuses on the second phase of management process, namely the...

Les marches derives ont connu une tres forte expansion ces dernieres annees. Une large variete d'options et de futures sont quotidiennement echanges sur indices boursiers, taux d'interet, obligations et devises. Ces marches, en traitant l'information disponible plus rapidement que les marches au...

In this paper, we investigate the impact of surprises made by scheduled monetary policy announcements on French stock market. Most of empirical studies achieved tends to test this effect on U.S stock market. Taken the French market as a representative European stock markets, we study the effect...

This study assesses the effect of financial development on income inequality in Côte d'Ivoire, using a multidimensional indicator of financial development that incorporates financial inclusion. We use ARDL and quantile regression methods to regress income inequality (measured by the Gini index)...

This study assesses the effect of financial development on income inequality in Côte d'Ivoire, using a multidimensional indicator of financial development that incorporates financial inclusion. We use ARDL and quantile regression methods to regress income inequality (measured by the Gini index)...

This study examines the impact of information security breaches on the stock returns on French companies. Using the event study methodology, we provide insights on the effect of cyberattack announcements on the market value of French companies from 2009 to 2019. We show that following...

Black et Scholes ont proposé en 1973 un modèle de marché financier qui conduit à une formule simple pour calculer le prix d'une option européenne sur un actif boursier. Bien que les formules de Black-Scholes soient explicites, le modèle repose sur certaines hypothèses qui ne correspondent...

This paper argues in an Austrian-Business Cycle's perspective that all the conditions are met again to have new crisis. The Federal Bank treats, always, a crisis of liquidity excess by low interest rate, i.e. "cheap money policy". When Federal Bank will have to rise its rates, the crisis will...