Government is holding a prize draw each month where respondents can win up to £1,000
People are being encouraged to take part in government's Household Income and Expenditure Survey.
It's being handed out to random households, with the data said to help inform government's future financial planning.
But it's thought some are avoiding filling it out due to concerns about privacy and the amount of time it takes.
Treasury Minister Alex Allinson told Manx Radio:
Government plans to withdraw interest from reserve fund no longer required
Higher than expected income tax receipts mean it's not necessary
Peel Commissioners not adding 'discretionary' one percent increase to social housing rents
It reviewed rent arrear levels and 'escalating' food costs when making the decision
New organ donation laws set to come into force in coming weeks
It follows Tynwald approval of new measures earlier this year
CoMin 'recognises and is mindful' of minimum wage concerns
Chief minister discusses businesses' reaction to upcoming rise