Regner, Tobias; Barria, Javier A. - Wirtschaftswissenschaftliche Fakultät, … - 2007
JENA ECONOMIC
RESEARCH PAPERS
# 2007 – 011
Do Consumers Pay Voluntarily?
The Case of Online … Road, SW7 2BT, London
Jena Economic Research Papers 2007-11
1. Introduction
This paper covers and combines two areas … music are not well taken into
account.
2
Jena Economic Research Papers 2007-11
setting where worker’s effort is not …