There are many unsubstantiated theories as to why home values are continuing to increase. From those who are worried that lending standards are again becoming too lenient (data shows this is untrue), to those who are concerned that prices are again approaching boom peaks because of “irrational...

Some homeowners have recently done a “cash out” refinance and have taken a portion of their increased equity from their house. Others have sold their homes and purchased more expensive homes with larger mortgages. At the same time, first-time buyers have become homeowners and now...