Transactions among agribusiness agents are not exclusivelycarried out on the market, being also governed by alternative types ofinstitutional arrangements, some of which determined upon contractualagreement. In the fertilizers sector, the companies intensified the offerof input packages to...

We present a general equilibrium model where profit-maximizing firms and non-profit organizations coexist, and the people’s propensity to devote efforts to non-profit activities increases with the stock of social capital. In its turn, the formation of social capital is stimulated by an...