We analyze whether the decisions made by university students in a framed threshold public good game meet what artisanal gold miners decided in a lab-in-the-field experiment. This work contrasts with current literature in which the comparison between lab and lab-in-the-field has considered context-free situations. In general, we find more behavioral convergences than divergences between students and miners. Similar to a set previous literature, these results show lab experiments on social dilemmas can be externally valid. However, in treatments with complex tasks, it is necessary to be cautious extrapolating results from the lab. We found that non-students contribute more than students, which is consistent with the literature. Our paper also contributes to this literature by studying the external validity of a framed threshold public good game.
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