If the money is paid back promptly on the next pay day, this type of lending can be cheaper than paying an unauthorised overdraft or a credit card charge.
The spreads on Argentina's bonds (the premium they pay over those of the American Treasury) promptly fell below those on Brazil's bonds for the first time in three months (see chart).
If Washington were truly interested in increasing take-home pay without an "unsustainable" boost in labor costs, it would promptly pass a significant tax cut.