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We develop a model of the daily return-volume relationship which incorporates information and liquidity shocks. First, we distinguish between two trading strategies, information-based and liquidity-based trading and suggest that their respective impacts on returns and volume should be modeled...
Persistent link: https://www.econbiz.de/10008794315
Nous discutons la pertinence de mesurer le risque par les volatilités. Nous appuyant sur les études récentes sur données de cotation et sur la spécificité des produits dérivés, nous proposons des mesures complémentaires de façon à traiter les effets volumes et temps, et à tenir...
Persistent link: https://www.econbiz.de/10010701844
This paper proposes a new Bayesian approach for estimating, nonparametrically, functional parameters in econometric models that are characterized as the solution of a linear inverse problem. By using a Gaussian process prior distribution we propose the posterior mean as an estimator and prove...
Persistent link: https://www.econbiz.de/10010899494