Jason Furman, chairman of the White House Council of Economic Advisers, said consumers generally haven't been using the savings from lower gasoline prices to spend on other things.
Justin Sullivan/Getty Images
Target shoppers Kelly Foley (from left), Debbie Winslow and Ann Rich use a smartphone to look at a competitor's prices while shopping shortly after midnight on Black Friday, in South Portland, Maine.
Robert F. Bukaty/AP
A New York Stock Exchange trader works on the floor on Dec. 17. Stocks rose nearly 300 points after the Federal Reserve announced it plans to begin raising interest rates next year.
Andrew Burton/Getty Images
Monument to headier times: The euro logo outside the European Central Bank in Frankfurt. The International Monetary Fund has warned of possible deflation in parts of Europe.
Frank Rumpenhorst/AFP/Getty Images