BY KENNETH R. HARNEYWASHINGTON — Do you know what your house is worth? Would you concede that there’s a chance that your estimate of its value might be higher than what a buyer would pay? A new statistical study, published in the Journal of Housing Economics, found that homeowners on average “overestimate the value of their properties by about 8 percent.” Tapping into federal databases, researchers concluded that overvaluations are likely tied to erroneous owner estimations of the capital gains they’ve accumulated in the house. The study is in sync with a monthly survey conducted by Quicken Loans, which compares estimates provided by applicants for refinancings with results from appraisers.Read more on NewsOK.com