Author Details

Hemri, Stephan, <p>Heidelberg Institute for Theoretical Studies,</p><p>Schloss-Wolfsbrunnenweg 35,</p><p>69118 Heidelberg,</p><p>Germany</p>



GRASPA 2019 is organised with the support of "Dipartimento di Economia",  University "G. d'Annnunzio", Chieti-Pescara