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Efficiency of European public higher education institutions: a two-stage multicountry approach

Scientometrics
Volume/Issue:
Volume 89: Issue 3
DOI:
https://doi.org/10.1007/s11192-011-0484-9
Authors: Joanna Wolszczak-Derlacz and Aleksandra Parteka

Variables (1) Bias-adjusted coefficients 95% Bootstrap confidence intervals (2) Bias-adjusted coefficients 95% Bootstrap confidence intervals (3) Bias

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Measuring economic journals’ citation efficiency: a data envelopment analysis approach

Scientometrics
Volume/Issue:
Volume 88: Issue 3
DOI:
https://doi.org/10.1007/s11192-011-0421-y
Authors: George Emm Halkos and Nickolaos G. Tzeremes

illustrated below: (10) We need to avoid the bias correction illustrated in ( 9 ) unless: (11) Following Shephard ( 1970 ) the input distance function can be expressed as then we can construct bootstrap confidence intervals for as

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