Are Falling Prices Undesirable?

Popular opinion seems to be that falling prices–or even stable prices–are bad for the economy, but I’ve never seen any good arguments about why.  I probably don’t need to convince followers of the Austrian school that prices work best when they reflect the underlying values of the things that are priced, but I’ve just read another article about the problems that come with deflation that gives six clearly numbered reasons.  Let’s look at what the article says to see i