Health services utilization of elderly Swiss: evidence from panel data
利用面板数据估计老年人看医生次数的影响因素，包括残疾预防干预的效果，采用随机效应负二项模型处理个体异质性和计数数据特征。
The demand for health care services by the elderly is a topic of growing importance because of changes in the demographic structure in many countries. This paper provides estimates of the determinants of the demand for physician visits by the elderly, including the impact of a disability prevention intervention. We control for unobserved heterogeneity across individuals and the count data structure of the data by estimating random effects negative binomial models for all primary physician and specialist visits.