This means that all of your purchases will accumulate bigger and bigger interest charges at higher purchase APR rates until your transferredbalance is completely paid off.
But anything spent on the card will be charged at the customer's normal rate, and any money paid towards the bill will go to clearing the transferredbalance first.
But imagine if they said that you now have a new one, which you have to pay 8% on: and each month, some of the old balance will be transferred to the new card?
The toxic debt that was held by the private sector before the crisis has now been transferred to sovereign balance sheets as well as those of global central banks.