Investors are asking if deflation in 2015 is a real concern.
The answer is, at this point, a convincing yes. A confluence of market factors point to this harsh economic reality.
But Americans aren't as familiar with deflation as they are with inflation. Few were even alive the last time America experienced deflation.
"There has been no episode of persistent deflation in the United States since the period from 1927 to 1933," notes author and CIA economist James G. Rickards in his book, The Death of Money.