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Academic literature on the topic 'Effet rétroactif de la volatilité'
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Journal articles on the topic "Effet rétroactif de la volatilité"
NABOUK, Mohamed. "Effet de la crise de Covid sur la persistance et l’asymétrie de la volatilité du marché boursier marocain." International Journal of Financial Accountability, Economics, Management, and Auditing (IJFAEMA) 3, no. 4 (July 26, 2021): 441–54. http://dx.doi.org/10.52502/ijfaema.v3i4.113.
Full textFathi, Elachhab. "Une analyse historiographique des causes du cycle économique en Tunisie*." Articles 83, no. 3 (May 28, 2008): 359–97. http://dx.doi.org/10.7202/018114ar.
Full textSío-López, Cristina Blanco. "Policy innovation, regional integration and sustainable democracy-building: The Millennium Development Goals as challenges and vehicles?" Regions and Cohesions 5, no. 3 (December 1, 2015): 3–17. http://dx.doi.org/10.3167/reco.2015.050302.
Full textBAUMONT, René, and Jean-Louis PEYRAUD. "avant-propos." INRA Productions Animales 28, no. 1 (January 10, 2020): 3–4. http://dx.doi.org/10.20870/productions-animales.2015.28.1.3005.
Full textBuysse, Jeroen, Kamel Elouhichi, Bruno Fernagut, Frédéric Gaspart, Olivier Harmignie, Bruno Henry de Frahan, Ludwig Lauwers, Philippe Polomé, and Guido Van Huylenbroeck. "Numéro 19 - février 2004." Regards économiques, October 12, 2018. http://dx.doi.org/10.14428/regardseco.v1i0.16103.
Full textBuysse, Jeroen, Kamel Elouhichi, Bruno Fernagut, Frédéric Gaspart, Olivier Harmignie, Bruno Henry de Frahan, Ludwig Lauwers, Philippe Polomé, and Guido Van Huylenbroeck. "Numéro 19 - février 2004." Regards économiques, October 12, 2018. http://dx.doi.org/10.14428/regardseco2004.02.01.
Full textDissertations / Theses on the topic "Effet rétroactif de la volatilité"
Blanc, Pierre. "Effets de rétroaction en finance : applications à l'exécution optimaleet aux modèles de volatilité." Thesis, Paris Est, 2015. http://www.theses.fr/2015PEST1110/document.
Full textIn this thesis we study feedback effects in finance and we focus on two of their applications. These effects stem from the fact that traders split meta-orders sequentially, and also from feedback loops. Therefore, one can observe clusters of activity and periods of relative calm. The first part introduces an dynamic optimal execution framework with an exogenous stochastic flow of market orders. Our starting point is the well-known model of Obizheva and Wang which defines an execution framework with both permanent and transient price impacts. We modify the price model by adding an order flow based on Hawkes processes, which are self-exciting jump processes. The theory of stochastic control allows us to derive the optimal strategy as a closed formula. Also, we discuss the existence of Price Manipulations Strategies in the sense of Huberman and Stanzl which can be excluded from the model if the self-exciting property of the order flow exactly compensates the resilience of the price. The next chapter studies a calibration protocol for the model, which we apply to tick-by-tick data from CAC40 stocks. On this dataset, the model is found to explain a significant part of the variance of prices. We then evaluate the optimal strategy with a series of backtests, which show that it is profitable on average, although realistic transaction costs can prevent manipulation strategies. In the second part of the thesis, we turn to intra-day volatility modeling. Previous works from the volatility feedback literature mainly focus on the daily time scale, i.e. on close-to-close returns. Our goal is to use a similar approach on shorter time scales. We first present an ARCH-type model which accounts for the contributions of past intra-day and overnight returns separately. A calibration method for the model is considered, that we use on US and European stocks, and we provide some qualitative insights on the results. The last chapter of the thesis is dedicated to a high-frequency volatility model. We introduce a continuous-time analogue of the QARCH framework, which is also a generalization of Hawkes processes. This new model reproduces several important stylized facts, in particular it generates a time-asymmetric and fat-tailed volatility process
Ouriemi, Ilef. "Vers des approches dynamiques des marchés énergétiques : effet de la financiarisation." Thesis, Paris, CNAM, 2018. http://www.theses.fr/2018CNAM1222/document.
Full textThe object of this thesis is to study in a context of financialization of commodity markets, some strategies adopted by investors and their impact on volatility and excess co-movement between energy markets and financial markets. To this end, three studies are proposed. The first study uses the approach VAR with Switching Regime (MS-VAR) applied to energy markets during the period 1992-2017. The results suggest that during high volatility period, commercial agents (hedging agents) play a crucial role in the discovery of gas market prices. However, these agents affect the efficiency of other markets (crude oil, gasoline, heating oil) and amplify their volatilities. The second study employs GARCH ADCC versus GARCH DCC models for a sample of 17 countries and covering the period 1997-2016. This study highlights the asymmetric effect of oil shocks on the conditional correlations of the Asian and African markets, which can be explained in particular by the arbitrage activities and the heterogeneous behavior of investors. The third study focuses on Autoregressive Distributed Lag models (ARDL) and reveals that after the financial crisis, and beyond the macroeconomic and financial fundamentals, the index of excessive speculation, explains in long term as well as in short term, the correlation between oil market and some financial markets. This generates a phenomenon of excess co-movement, and therefore a financializing effect on these markets. Finally, we can conclude that : firstly, during high volatility period, gas market is a safe haven for financial investors ; secondly, the behavior of the investor explains the effect of excess co-movement between the oil market and some financial markets ; thirdly, this phenomenon of excess co-movement limits the benefits of international portfolio diversification especially during financial turbulences
Fraichot, Jean-Pierre. "Impact du projet européen de taxation des transactions financières sur les marchés de capitaux." Thesis, Paris Sciences et Lettres (ComUE), 2018. http://www.theses.fr/2018PSLED036/document.
Full textThe dissertation reviews the effects, on capital markets, of implementing, within the EU, an excise tax (the FTT) on all financial transactions. We review the effects on the volatility, the liquidity, trading volumes and the price of assets. In Chapter I, we analyze the option market-makers hedging strategies. We conclude to an insignificant effect of the FTT in highly liquid options markets, as opposed to a significant effect in low liquid option markets, the maximum being reached when market makers hold positions until their expiration date. Chapter II evidences a negative impact of the FTT on the corporate cost of capital due to the illiquidity of long dated option markets, and the arbitrage between equity and credit derivatives. The FTT would increase considerably the cost of capital of European companies whose main competitors are outside the EU.In Chapter III, we model both stocks and bonds theoretical prices and conduct simulations of their reaction to the introduction of the FTT. We find that both shares and bond prices will be negatively affected by the FTT, increasing the cost of capital, in the short and long run. Companies with high leverage and a low tax rate will see the price of their shares fall further than the price of shares of comparable, high-tax, leveraged companies. This suggests that EU should level all corporation tax rates, within the EU, prior to the introduction of the FTT. Finally, the FTT has an antagonistic effect to the Basel III regulation which seeks to increase the capital of banks, because at the same time it lowers the prices of securities issued by Banks. In conclusion, our original approach focusing on options, is fruitful. It makes possible to quantify the impact of FTT on volatility and allows a theoretical justification of the negative impact on asset prices found in empirical reviews of past experience of the introduction of a FTT
Taamouti, Abderrahim. "Problèmes d'économétrie en macroéconomie et en finance : mesures de causalité, asymétrie de la volatilité et risque financier." Thèse, 2007. http://hdl.handle.net/1866/1507.
Full textBen, Bader Mohamed. "Trois essais sur la volatilité boursière et ses variations asymétriques." Thèse, 2012. http://www.archipel.uqam.ca/4911/1/D2315.pdf.
Full textHounkpe, Jean. "Estimation des modèles à volatilité stochastique par l’entremise du modèle à chaîne de Markov cachée." Thèse, 2018. http://hdl.handle.net/1866/20202.
Full textTédongap, Roméo. "Three essays in empirical asset pricing." Thèse, 2008. http://hdl.handle.net/1866/2247.
Full textResende, Carlos de. "Essais sur la détermination du niveau des prix et sur les petites économies ouvertes avec des contraintes d'endettement." Thèse, 2006. http://hdl.handle.net/1866/726.
Full textFeunou, Kamkui Bruno. "Affine and generalized affine models : Theory and applications." Thèse, 2009. http://hdl.handle.net/1866/3023.
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