Businesses large and small are set to increase investment at the fastest rate in a decade and drive an economic recovery significantly stronger than previously forecast, next week’s budget update will reveal.

As the annual Chanticleer CEO Poll reveals a near unanimous sense of optimism and expectations of an economic boom, Treasurer Josh Frydenberg said the Mid-Year Economic and Fiscal Outlook would forecast new business investment to increase by 16 per cent over this year and next, up from the collective 11.5 per cent forecast in the May budget.