狠狠撸

developing country social business social entrepreneurship organic food pineapple agriculture ghana generalized propensity score matching fair trade sustainable consumption africa willingness to pay organic agriculture endogenous switching regression shared value csr inclusive business impact small farmers globalgap social sector fundraising rct monitoring and evaluation difference in difference evaluation methods matching m&e 驳别尘别颈苍飞辞丑濒枚办辞苍辞尘颈别 evaluation pegnet 别苍迟飞颈肠办濒耻苍驳蝉枚办辞苍辞尘颈别 kooperation entwicklungszusammenarbeit legal forms business model canvas certification social enterprise