Although we can continually increase the sophistication of our models, a model will never be a perfect representation of the economy, and the assumptions will always be subject to change. And given the risks to the forecasts, policy decisions will inevitably require a degree of subjective judgement.
I would not want to forecast the winner of this competition, but I wish all of the finalists the best of luck and heartiest congratulations to the winner. Thank you. 4  BIS central bankers’ speeches