@article {Bien/Nolte/Pohlmeier2011,
author = {Bien, Katarzyna and Nolte, Ingmar and Pohlmeier, Winfried},
title = {An inflated multivariate integer count hurdle model: an application to bid and ask quote dynamics},
journal = {Journal of Applied Econometrics},
volume = {26},
number = {4},
doi = {10.1002/jae.1122},
pages = {669-707},
year = {2011}
}