Xuejiao Zhou

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Over 40 studies on shadow price estimation for undesirable outputs are reviewed. The general shadow pricing framework is described. We summarize the main methodological and application aspects of existing studies. The shadow price estimation of CO 2 emissions received increasing attention. The regions concerned were shifting from western to Asian countries.(More)
Defect bash is a co-located testing session performed by a group of people. We performed a systematic review of the academic and grey literature, i.e. informally published writings, of the defect bash. Altogether, we found 44 items (17 academic and 27 grey literature sources) that were identified useful for the review. Based on the review the definition of(More)
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