Mobile-only users are usually considered as a consequence of fi xed-mobile substitution. Via a unique dataset based on a a large European country survey and consumers invoice data, this study reveals heterogeneous preferences for fixed services among consumers. The data is fitted in a mixed...

Vegetables play an important role in human nutrition, as they have a high content of nutrients. In the last five years, there has been a tendency to increase the consumption of vegetables among Romanians, this being attributed to the increase of the living standard, but also to the reorientation...