Incremental Cost : The net change in costs that is directly attributable to a given decision or proposal compared with some other alternative (including the existing situation or the do nothing alternative)
Ilan Kelman (ed.), Vulnerability and Resilience Definitions and References, Version 2, 2007. http://www.islandvulnerability.org/docs/vulnres.pd f, (Vulnr and Resilience - Brit) {524}