Additive and Multiplicative Uncertainty Revisited: What Explains the Contrasting Biases?

above the certainty level while for additive uncertainty the price should be lower than the certainty level. This note gives an intuitive explanation for the result after first presenting a parsimonious review of the two models. We also discuss which, if either, of the two models is more realistic. Received December 14, 2001; revised version received July 16, 2002 Published online: April 30, 2003 We thank referees for helpful comments. Ciaran Driver would like to acknowledge the research facilities from ANU, Canberra for their help in writing this paper.     

4800HP平台供应船钢材利用情况跟踪调查

在船舶产品建造过程中,造船成本一般占船价的90％左右,其中材料设备成本占全部造船成本的70％左右,而在材料设备中,船体钢材是重头戏,提高钢材利用率是降低造船成本的重要因素,它直接影响到产品实际成本。为进一步提高我厂市场竞争力,提高钢材的利用水平,必须摸清目前钢材在我厂船舶产品建造过程中的利用率。根据工厂生产经营情况,确定以4800HP平台供应船为跟踪调查对象,查清此型船从设计该船的所需钢材的净重、工艺定额、钢材领用、材料代用、非工艺性损     

统计循环波动分析在资产评估收益法中的应用

循环波动是社会经济现象带有规律性的周期波动。资产评估收益法中分段法前段期限的确定目前缺乏定量分析，应用循环波动分析解决这一问题，可以提高分段法评估的准确程度。