Carl Lee lost his wallet at the beach five days ago. Carl is sure there were three credit cards in the lost wallet. Assuming he's right and notifies the banks, Carl can lose as much as ________, assuming he has no private insurance protection

Since the 1970s, developed countries like Great Britain and the US have tended to finance their deficits by _____.

Fill in the blank(s) with the appropriate word(s).

An approach to exponential smoothing in which the smoothing constant is automatically changed to keep errors to a minimum is called ________

Fill in the blanks with correct word