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Commodity price cycles can arise when there is a tendency to invest more (less) when current prices are high (low). Traditionally this behavior is interpreted as based upon naïve expectations. However, weak financial institutions can also cause this behavior. When borrowing is hard and saving is risky farmers cannot invest in periods with low prices because their income is too low, while in periods with high prices they have few alternatives than to invest the surplus in their farm. In this paper, we present a framed field experiment to analyze how Colombian small-scale coffee farmers make investment decisions. We vary the strength of the financial institutions and the lag between investment and production. Overall there is a positive relation between prices and investment, and this relation becomes stronger when the financial institutions become weaker. [ABSTRACT FROM AUTHOR]

We investigate the relationship between social class belonging and contributions to local public goods. By utilizing the social class classifications in Colombia and an experimental design based on the strategy method, we can both study contributions to public goods and classify subjects into contribution types. We find similar contribution levels between high and medium-low social classes and also similar distributions of contributor types. However, low social class members conditionally contribute a significantly higher level than high social class members. This has implications for policymakers, who may need to consider differential policy schemes for locally provided public goods. [ABSTRACT FROM AUTHOR]