This paper reports the results of laboratory test of the performance of a non-point source (NPS) water pollution abatement scheme suggested by Pushkarskaya and Randall (2006). The scheme is based on voluntary participation in the non-point source pollution control program, and ties individual...

The goal of this experimental study was to test an effectiveness of a group contract designed to control nonpoint source water pollution from farms' runoff (Pushkarskaya 2003). In particular, the regulator pays for pollution reduction credits earned by the group of the farmers, who voluntary...

Direct selling (DS) is simultaneously a business model, a channel of distribution, and an activity engaged in by its distributors. In this paper, we provide a framework for analyzing and discuss academic research on the DS distribution model.We focus in particular on research that develops...