The above examples may suggest that the advent of micro data has moved us into a brave new world in which we have better information, better analyses, and a mutually beneficial exchange of information. But any cost-benefit analysis must, of course, also address the challenges and the costs that are associated with the use of micro data.
There are a lot of card products that offer lower rates and special deals for balance transfers. In many cases, cardholders should be able to lower their interest rates by taking advantage of those offers, if they are willing to shop around.