In this paper, we study a voluntary contribution mechanism withone-way communication. The relevance of one person’s words is assessedby assigning exogeniously the role of the ‘communicator’ to onegroup member. Contrary to the view that the mutual exchange ofpromises is necessary for the...

Previous research indicates that risky and uncertain marginal returnsfrom the public good significantly lower contributions. This paper presentsexperimental results illustrating that the effects of risk and uncertainty dependon the employed parameterization. Specifically, if the value of the...

In this paper we aim - through an ‘experimentally-adapted’ Contingent Valuation survey -to look into the attributes of Ghanaians’ willingness-to-pay for green products. This would help usaddressing two main issues: first, from a theoretical point of view, we shall assess whether...