Find below a link to an interesting analysis of true costs of fire suppression and management costs in the US. The article states that  often the true costs of wildfires are much higher than society and governments are aware of. In this consequence the authors emphasis the importance of landsacape managment in a way that fires are not becoming disastrous.

The analysis is from the USA, but the underlying principles and findings apply worldwide:

http://fireecologyjournal.org/wp-content/uploads/True-Costs-of-Wildfire-2.pdf