In the past four years family offices have been consistently over-optimistic about their future investment performance when contributing to The Global Family Office Report. Is behavioural finance the answer to more effective forecasts or should they put more effort into predicting other indicators? Nicholas Moodyreports Forecasting the future is a poisoned chalice. Just ask Michael Fish. In 1987 the then BBC weatherman infamously assured the British public there was no hurricane approaching southern England “but it would be very windy in Spain”.