Originally Posted by Praxus

There are non-coercive options. A contract fee, for example, would be a payment to the Government to enforce your contract, which could be say 5% of the value of the contract. You could also have lotteries, but this would be limited because the Government wouldn't have a monopoly on lotteries. You could also make a flat "tax" (5-10%) that you could pay before you are allowed to vote or run for office. Basically I think a combination of these would be most effective. These are just options, nothing definitive.