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.
Tynwald approves changes to sitting schedule, including half-term breaks and revised start dates
Measures to avoid school break sittings backed, with earlier October and January starts agreed
Plea to Manx parents to check meningitis vaccination status
It follows the death of two young people in the UK
Bus dispute ‘a considerable way apart’ as talks continue, says infrastructure minister
Tim Crookall optimistic progress is possible despite ongoing strike action and disagreements over contracts and pay structure
Noble's bed capacity exceeding industry-recognised 'safe levels'
The health minister's been responding to an urgent Tynwald question
Island sheep shearer claims fourth at World Championships
Manx contingent returns from New Zealand