Please contact me if you wish to discuss this furthur.
I'm sorry for not addressing your question properly.
I think it is a good idea. Incentives are always encouraging but they must be applied in a way that does not put too much pressure on the individual to do well on the task at hand.
If you know a company that works in your field and they have a website with a contact page then I suggest you take advantage of a contact form provided.
Sorry for not being very helpful.