meta analysis of airport noise and hedonic property values problems prospects by jon p nelson department economics pennsylvania state university park pa 16802 jpn psu edu abstract is applied to the negative relationship between exposure residential effect size in percent depreciation per decibel increase or discount twenty value studies are analyzed covering 33 estimates for 23 airports canada united states about one third have not been previously reported literature were included previous analyses weighted mean 0 58 a regression examines variability discounts that might be due country year sample model specification data aggregation accessibility employment travel opportunities indicates some on measured but other variables little systematic cumulative us 5 6 at levels
