Cummins JD, A Weiss Mary and ZI Hongmin (2004). “Economies of Scope in Financial Services: DEA Bootstrap Analysis of the US Insurance Industry.” in Emrouznejad A and V Podinovski (eds.) Proceedings of DEA2004, Birmingham, UK.

Cummins JD, A Weiss Mary and ZI Hongmin (2004). “Economies of Scope in Financial Services: DEA Bootstrap Analysis of the US Insurance Industry.” in Emrouznejad A and V Podinovski (eds.) Proceedings of DEA2004, Birmingham, UK.

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