Households all over the Island are to be contacted to help with a survey of the Manx VAT spend.
This will give a more accurate figure to form the basis of calculating the VAT income the Island recieves.
It follows two cuts in the Island's overall figures by the UK. That has forced cuts on Manx government spending.
Economic adviser to the government, Stephen Carse, says the results should be of long-term benefit.
Mum's desperate plea for help to get disabled daughter to UK
25-year-old waiting to find out if she requires leg amputation
Politicians make changes to financial support for students
Grade boundaries also changed for children in care
Northern Chamber of Commerce wants election candidates to provide solutions for issues
Prospective MHKs need to 'recognise economic issues facing Island'
Bard 'proud' to mark end of term with collaborative poem celebrating summer
Bradley Chambers worked with previous bards on the project