From 'aChange in personal saving depends on how much of the $4,000 IRA contribution represents new saving.', can we conclude that 'Change in personal savings is dependent on how much the IRA contributes to the new saving' is unrelated and maintains neutrality?
aChange in personal saving depends on how much of the $4,000 IRA contribution represents new saving.###Change in personal savings is dependent on how much the IRA contributes to the new saving