Housing has been in a deflationary period since 2006 but not the economy overall. In March of 2009 stocks began a huge rally after this article below was written, though stock "dividend" yields may never reach 5% again:
Per Merrill Lynch Advisor magazine
in February 2009, will deflation (lower prices) jeopardize the
recovery?
"...The last period of true deflation in
the U.S. was 1954-1955. One bright spot
was that dividend yields were 5% according to Mr.
Rosenberg.
In Japan ,
according to Mr. Bernstein, stock rallied more than 33% in some years through
deflationary periods of the 1990’s...."