In the Netherlands cannabis use is quasi-legalized. Small quantities of cannabis can be bought in cannabis-shops. We investigate how the distance to the nearest cannabis-shop affects the age of onset of cannabis use. We use a Mixed Proportional Hazard rate framework to take account of observable...

Recent studies have suggested a trend of slowing domestic visitation to national parks by younger generations on a per capita basis within developed countries. This has often been attributed to inter-generational differences such as increased cultural diversity, interest in other forms of...