Is there a neutral relationship between 'Model yields an estimate of the percentage change in a household's demand for postage as a result of owning a computer' and 'There is a change in the use of postage depending on whether a household owns a computer.', lacking direct logical ties?
Model yields an estimate of the percentage change in a household's demand for postage as a result of owning a computer###There is a change in the use of postage depending on whether a household owns a computer.