... preference affect-ing both health and schooling in the same direc-tion. Finally, it can be due to reverse causality,arguing that better health results in more school-ing. In econometric terminology, ... been found to be non-linear so that moderate drinking has had favour-able health effects compared to non-drinking orheavy drinking. In our data, we did not findevidence of non-linearity.There ... Economics and Business Administration, Helsinki, FinlandeOulu Regional Institute of Occupational Health, FinlandSummaryThis was a longitudinal, general population study based on a Northern Finland...