This reminds me of the game mechanic in Puerto Rico ( http://boardgamegeek.com/boardgame/3076/puerto-rico http://boardgamegeek.com/boardgame/3076/puerto-rico )

This reminds me of the game mechanic in Puerto Rico ( http://boardgamegeek.com/boardgame/3076/puerto-rico http://boardgamegeek.com/boardgame/3076/puerto-rico ) where money accumulates on roles not chosen to incentivize people to pick that role.