The use of the contingent valuation method to generate estimates of existence value for input to cost benefit analysis requires that individuals have utility functions defined over the relevant arguments. The validity of the assumption that the required utility functions generally exist has been...

The payment vehicle is a crucial element inapplications of the contingent valuation methodbecause it provides the context for payment. However,in many countries a relative unfamiliarity with theuse of tax levies and referenda can affect theplausibility of payment vehicles and lead to...

The role that natural resource accounting and ecological monitoring can play in conserving biological diversity is discussed. There exists a widespread view that modifications to national income accounting procedures are crucial to the pursuit of sustainability and particularly the protection of...