//-->
Demand and welfare effects in recreational travel models: Accounting for substitution between number of trips and days to stay
Hellström, Jörgen, (2012)
A count data model with endogenous household specific censoring: the number of nights to stay
Hellström, Jörgen, (2008)
Demand and Welfare Effects in Recreational Travel Models: A Bivariate Count Data Approach
Hellström, Jörgen, (2005)