Information sharing in private value lottery contest

- We investigate contestants' incentives to disclose their valuations of the prize.
- A private value Tullock contest model is considered.
- Information sharing arises in equilibrium if types are concentrated enough.
- Sharing information is strictly dominated if types are sufficiently dispersed.

We investigate players' incentives to disclose information on their private valuations of the prize ahead of a rent-seeking contest: Information sharing arises in equilibrium if types are concentrated enough, whereas sharing information is strictly dominated if types are sufficiently dispersed.