Abstract
Purpose – The purpose of this paper is to illuminate light on the assessment of operating efficiency of specialty coffee retailers from the perspective of socially responsible global sourcing. This paper evaluates the impact of socially responsible sourcing on the operating efficiencies of specialty coffee retailers before and after implementing fair‐trade practices and compares the operating efficiencies of fair‐trade coffee retailers to those of non‐fair‐trade coffee retailers.Design/methodology/approach – The paper proposes data envelopment analysis (DEA) to measure the comparative efficiency of seven specialty coffee retailers, relative to prior periods and their key competitors. It develops the Charnes‐Cooper‐Rhodes (CCR) model that is designed to derive weights without their being fixed in advance. The CCR version of DEA is adopted to assess the impact of the coffee retailers' policy initiatives (i.e. fair‐trade practices) on their efficiency and measure the change over time (i.e. before and after f...
Published Version
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