Luc Bauwens is Professor of Economics at the Universite catholique de Louvain, Belgium where he chairs the Department of Economics, and has been co-director of the Center for Operations Research and Econometrics (CORE) from 1992 to 1998. He has published several books and papers in the fields of Bayesian inference, time series methods, simulation and numerical methods in econometrics, as well as empirical finance and international trade. Pierre Giot is Professor of Econometrics and Quantitative Finance at Maastricht University in The Netherlands, and he is a member of CORE in Belgium. After graduating as a Civil Engineer (Polytechnique) in Electronics, he got his Ph.D. in Economics at the Universite catholique de Louvain in 1999. His current research interests focus on quantitative finance, models for intraday data and empirical market microstructure.

• 1. Market Microstructure, Trading Mechanisms and Exchanges.- 2. NYSE TAQ Database and Financial Durations.- 3. Intraday Duration Models.- 4. Empirical Results and Extensions.- 5. Intraday Volatility and Value-at-Risk.- About the Authors.

Luc Bauwens is Professor of Economics at the Universite catholique de Louvain, Belgium where he chairs the Department of Economics, and has been co-director of the Center for Operations Research and Econometrics (CORE) from 1992 to 1998. He has published several books and papers in the fields of Bayesian inference, time series methods, simulation and numerical methods in econometrics, as well as empirical finance and international trade. Pierre Giot is Professor of Econometrics and Quantitative Finance at Maastricht University in The Netherlands, and he is a member of CORE in Belgium. After graduating as a Civil Engineer (Polytechnique) in Electronics, he got his Ph.D. in Economics at the Universite catholique de Louvain in 1999. His current research interests focus on quantitative finance, models for intraday data and empirical market microstructure.

• 1. Market Microstructure, Trading Mechanisms and Exchanges.- 2. NYSE TAQ Database and Financial Durations.- 3. Intraday Duration Models.- 4. Empirical Results and Extensions.- 5. Intraday Volatility and Value-at-Risk.- About the Authors.

Luc Bauwens is Professor of Economics at the Universite catholique de Louvain, Belgium where he chairs the Department of Economics, and has been co-director of the Center for Operations Research and Econometrics (CORE) from 1992 to 1998. He has published several books and papers in the fields of Bayesian inference, time series methods, simulation and numerical methods in econometrics, as well as empirical finance and international trade. Pierre Giot is Professor of Econometrics and Quantitative Finance at Maastricht University in The Netherlands, and he is a member of CORE in Belgium. After graduating as a Civil Engineer (Polytechnique) in Electronics, he got his Ph.D. in Economics at the Universite catholique de Louvain in 1999. His current research interests focus on quantitative finance, models for intraday data and empirical market microstructure.

• 1. Market Microstructure, Trading Mechanisms and Exchanges.- 2. NYSE TAQ Database and Financial Durations.- 3. Intraday Duration Models.- 4. Empirical Results and Extensions.- 5. Intraday Volatility and Value-at-Risk.- About the Authors.