Keywords: Portfolio investment
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Journal Articles
Industrial Management & Data Systems (2008) 108 (9): 1255–1268.
Published: 31 October 2008
... Chen can be contacted at: justlee6@ms31.hinet.net © Emerald Group Publishing Limited 2008 Data analysis Financial services Portfolio investment Equation 2 Table I Efficiency values of companies in the banking and insurance industry as estimated by DEA models...

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