Efectos sociales de la contaminación acústica. Una aplicación de valoración al transporte ferroviario.

The article describes an application of contingent valuation to estimate welfare losses caused by noise pollution in the railway line connecting Galicia and Portugal. In addition, temporary specification related to the payment vehicle in the valuation and the internationally used rating scales of annoyance were applied to the analysis of the data. Results show a positive willingness to pay of about 97 €/household.We have observed that the correct definition of the temporary period in the payment vehicle plays a fundamental role in the quality of the results. We have also obtained that individuals show a simplified perception of the commonly used scale to rate the annoyance