This paper aims to evaluate whether and how the free admittance to museums and monuments affects the charged visits. We take the Italian state museums and monuments as the case study, and we consider monthly data, aggregate at the national level, from January 1996 to December 2015. Within a multivariate analysis approach, which takes into account the seasonal structure of time series, we document a positive influence of the number of free visitors upon the subsequent number of paying visitors. We also analyse the effect of the change in free admission policy, which has recently occurred in Italy: since July 2014 free admission is no longer reserved to specific segments of population, but it has been extended to all visitors on the first Su...