Caleiro, António - Volkswirtschaftliche Fakultät, … - 2014
number of births in Portugal considerably varies according to the month to which it relates. The evolution of seasonality in … births analyzed here using a long time series, i.e. from 1929 to 2012, shows that, in general, seasonality was more evident … at the beginning of the sample period and that has changed in terms of months associated with peaks in the births, from …