With the premise 'Model yields an estimate of the percentage change in a household's demand for postage as a result of owning a computer', is 'People receive many more items in the post if they have a computer in the house.' simply an unrelated statement?
Model yields an estimate of the percentage change in a household's demand for postage as a result of owning a computer###People receive many more items in the post if they have a computer in the house.