@article{55946, 
year={2015},
issn={1971-8470},
journal={QUADERNI DI ECONOMIA DEL LAVORO},
number={104},
volume={},
doi={10.3280/QUA2015-104001},
title={Premessa},
abstract={}
url={http://www.francoangeli.it/Riviste/Scheda_rivista.aspx?idArticolo=55946},
author={Marco Frey and Massimo Battaglia}
pages={5-9},
language={IT}}