Assessing the effects on the market value of buildings. Unfortunately, these methods tend to
disregard the effects of the noise on premises other than dwellings; they also imply that the
economic agents are fully aware of the effects of noise, which is not entirely true.
• Evaluation of actions which would have to be taken to eliminate or attenuate the noise.
Compared with the "market value" method mentioned above, this approach does, in fact,
incorporate the poorly perceived effects of noise, but setting the standard to be achieved is a
highly uncertain and arbitrary business.
• Evaluating the damage caused by noise and the cost of corrective action. This consists
essentially of damage to health, which is itself difficult to assess.