Page:Principles of Political Economy Vol 2.djvu/425

Rh except in so far as their possessors are more called upon to save, the exemption of what they do save would fully satisfy the claim. But if no plan can be devised for the exemption of actual savings, sufficiently free from liability to fraud, it is necessary, as the next thing in point of justice, to take into account in assessing the tax, what the different classes of contributors ought to save. And there would probably be no other mode of doing this than the rough expedient of two different rates of assessment. There would be great difficulty in taking into account differences of duration between one terminable income and another; and in the most frequent case, that of incomes dependent on life, differences of age and health would constitute such extreme diversity as it would be impossible to take proper cognizance of. It would probably be necessary to be content with one uniform rate for all incomes of inheritance, and another uniform rate for all those which necessarily terminate with the life of the individual. In fixing the proportion between the two rates, there must inevitably be something arbitrary; perhaps a deduction of one-fourth in favour of life-incomes would be as little objectionable as any which could be made, it being thus assumed that one-fourth of a life-income is, on the average of all ages and states of health, a suitable proportion to be laid by as a provision for successors and for old age.