individual nation states; (iii) there is uncertainty about the extent of the future damages that will be incurred by each country …

, uncertainty is an important challenge because current information about the aging process may be false. Especially in the context …, substantial uncertainty is still common in replacement. An example in this context is the lifetime of PE tubes in gas networks … these different sources of uncertainty will impact the network operator's replacement decision. Further it is of interest …

Environmental managers face substantial uncertainty when deciding on management actions. To reduce this uncertainty … on the management cost, the assumed value of a good state and on the level of uncertainty regarding the ecological state …