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Abstract: We present a decision-making experiment, conducted in the field, that explores the extent to which reduction of ambiguity may be provided as a public good. We find evidence that people with preference to avoid ambiguity contribute to the public good. We find that risk averse people free ride. Cheap talk erases the predictability of who free rides, but does not affect the overall public good provision, either in a positive or negative direction. Finally, we find that people draw appropriate inference from the evidence that the public good provides. We relate our findings to the issue of new technology adoption.