Interchange is About to Change
The rules that govern how money changes hands during most debit card transactions is about to change, but it is anybody’s guess where things will stand once the marketplace finds its new equilibrium.
The Durbin Amendment to the Dodd-Frank legislation puts a price ceiling on how much retailers will pay on transactions where the card issuer has more than $10 billion in assets. Most financial institutions do not have $10 billion in assets, but the ones that do are the dominant in the debit card marketplace. Some accounts estimate their market share to be as high as 75 percent.
The pricing is driven by a principle that the ultimate cost of a debit card transaction should be at or below the cost of a paper check. There (more…)

