假定A方案的期望现金流量效益为100万元,标准差为1000元;B方案的期望现金效益为20万元,标准差为500元。问哪个方案风险大?
V=∂/R; A方案的变差系数:Va=1000/1000000=0.001; B方案的变差系数:Vb=500/200000=0.0025; Vb>Va,所以B方案风险比A方案大。
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Many, many years ago, the bold and daring Norse explorers who lived in Norway were so strong and courageous that even the storm