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The Determinants of Health Care Utilization in Portugal : An Approach with Count Data Models
Cotter Salvado, João, (2008)
Modelling count data with excess zeros : an application to health care utilisation data
Samsudin, Shamzaeffa, (2014)
Endogeneity in count data models : application to demand for health care
Windmeijer, Frank, (1996)