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Cost-Benefit Analysis - ES fondi

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Externalities corrections<br />

EN<br />

Externalities<br />

corrections<br />

33<br />

To determine costs and benefits which<br />

are not considered in the financial<br />

analysis<br />

There are two main approaches:<br />

1. “Revealed preference methods”: infer<br />

values from observed behaviour (e.g.<br />

hedonic price, travel cost methods)<br />

2. “Stated preference methods”: directly<br />

asks individual to state their willingnessto-pay<br />

(e.g. contingent valuation). But<br />

risk of possible biases

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