Voluntary approaches have been used in a variety of contexts and for a variety of purposes in agriculture, including voluntary conservation programs and product labeling. This paper provides an overview of some of the general principles that emerge from the literature on voluntary approaches and...

An entire economic system cannot be understood unless there is reliable knowledge about both rural and urban sectors, including their interactions. In particular, there are two anomalies that cannot be rationalized satisfactorily by existing economic theory: the decentralizing economic...