And for the sake of the record (and getting back to the theme of national income accounting that has bugged my blogging this weekend) S ≠ I. which means savings do not equal investment in any shape or form.
Accounting Identity: Saving Equals Investment
A fundamental macroeconomic accounting identity is that
saving equals investment.
By definition, saving is income minus spending.
Investment refers to physical investment, not financial
That saving equals investment follows from the national
income equals national product identity.