These are three questions to you, Mr. Jaccard. I know my colleague Mario wants to ask questions as well, but these are three interrelated questions.
If we took seriously your suggestion to get on with the four or five policies that you've proposed, by what date would you be comfortable in saying we would see predictable, measurable effects against the business as usual case if we hadn't gone that route? What's the earliest date we could see that? That's the first question.
Secondly, would I be right in assuming that part of the answer to the question is, of course, the price that you put on things? Whether it's a carbon tax or a cap-and-trade system, depending on what you put into the machine, you're going to get certain kinds of results. I guess that shows us the policy options and the choices we have to make.
The third question is, whatever route you go, whether it's a shallower or steeper rate of increase on the carbon tax or on the cap-and-trade system, isn't it possible to express what is going to happen by 20-whatever—you're going to tell me what the date is—as a target? In other words, that would tell us, as a society, that if we want to get somewhere in the vicinity of this, these four or five policies have to play out over this period of time and at this rate. In other words, that would suddenly be the target against which we would contrast the Kyoto benchmark or the Kyoto target. Forget about this achievability factor.
I just want to know the date by which we can find out the results if we took your advice. By when could we measure it? Give us some sense of the ratios. Can we express that as a target?