At the same time, however, it is almost impossible to contemplate large projects without debt, nor to smooth over the minor ups and downs of the economic cycle and the timing differences between tax receipts and spending demands.

FORBES: How Debt Limits A Country's Options

Another argument for the stock is the timing of the housing cycle.

FORBES: Anxiety On The Home Front

That paper also found that male sweat may affect the length and timing of a woman's menstrual cycle.

CNN: Sweat may give off stress signals, study says

Another senior official was similarly blunt, saying that the timing of the Bank's decision was tied directly to Japan's political cycle.

ECONOMIST: The Bank of Japan