•First term: CVg: coefficient of variation in monetary incomewithin a group g. Bene argues that CV may be used as a proxyfor exposure.
•Secund term: Depi: household i’s rate of dependence on its mainactivity in terms of monetary income.
•Third term: Ai: household i’s total number ofactivities; the higher this number, the lower the vulnera-bility. Subi: number of subsistence activities conducted byhousehold i; the higher this number, the lower the vulnerability.