Coming back to the point that I'm a lawyer and not an economist, I'm not sure that I can give you examples of the most effective ones. I can give you some guidelines on some of the things that you shouldn't do when you're designing a subsidy.
One of those is not to add local content requirements onto it. If you add a requirement that we have to use domestic equipment or hire domestic employees, that is likely to bring a challenge on that particular subsidy. It would be very difficult, without a revision in the subsidies agreement, to include local content requirement—