From Longman Business Dictionarypublic sector borrowing requirementˌpublic ˌsector ˈborrowing reˌquirement abbreviation PSBR [singular] ECONOMICS the amount that a government has to borrow in a particular period of time to cover the difference between the money it gets from taxes and the amount it spendsAt that time, the public sector borrowing requirement was lower than the financial deficit because of the proceeds from privatisation. → requirement