"Retailers are hoping we are going to respond to lower prices and if we perceive these as better deals, then yes, we will buy."
But Cason says she's senses a subtle shift in the way consumers look at spending.
"I don't see the shift in the behavior yet. But I think there's more consciousness now about what people are doing and a more thoughtfulness in the choosing of things, whereas before I think we were more on automatic pilot."
With the exception of energy and food, core prices fell last month for the first time in more than 25-years.