There is a consensus among poverty experts that over the past 50 years there has been some improvement in the condition of the poor.

"Anyone who studies the issue seriously understands that material poverty has continued to fall in the U.S. in recent decades, primarily due to the success of anti-poverty programs" and the declining cost of "food, air-conditioning, communications, transportation, and entertainment," David Autor, a professor of economics at M.I.T., wrote in response to my query.