We study individual contributions in a repeated linear public good experiment in which, in each period, subjects are required to contribute a minimum amount and face a certain probability of being audited. Audited subjects who contribute less than the required amount are convicted to pay the...

We experimentally demonstrate how "unpacking" provides a possible approach for mitigating the dilemma of public goods provision through private contributions. Subjects' total contributions increase when a single public good is split into two identical public goods.