Industrial ecology (IE) is a rapidly growing scienti?c discipline that is concerned with the sustainability of industrial systems under explicit consideration of its int- dependence with natural systems. In recent years, there has been an ever-increasing awareness about the applicability of Input-Output Analysis (IOA) to IE, in particular to LCA (life cycle assessment) and MFA (material ?ow analysis). This is witnessed in the growing number of papers at ISIE (International Society for Industrial Ec- ogy) conferences, which use IOA, and also by the installment of subject editors on IOA in the...