Could you please elaborate on the benefits of derivatives for the economy? Do they indeed contribute positively to financial stability and economic growth? Or are there potential risks and downsides that we should be mindful of? Would you mind sharing some examples of how derivatives have been used effectively in the past? And how do they differ from other financial instruments in terms of their impact on the economy? Lastly, do you believe that derivatives should be more widely used or should their usage be more tightly regulated?