<p>That's a good, if perhaps risky, use of your hard-earned reputation: it presumes the bounty will actually result in the kinds of answers you seek.  As alternatives (or supplements) to this strategy you might consider (a) posting your own answers; (b) rewarding existing answers of the type you wish to encourage; (c) promoting selected questions or answers in communities of people who might be inspired to post the answers you are looking for.</p>
