第4章首先介绍了虚拟企业的经济效应，包括规模经济效应、范围经济效应及速度经济效应。
Chapter 4, firstly, introduces the economic effects of virtual enterprise including economics of scale effects, economics of scope effects and economics of speed effects.
但分析师指出，鉴于最近一波业绩发布的积极效应，以及亚洲各经济体复苏速度快于西方的各种迹象，市场基本情绪仍保持谨慎乐观。
But analysts suggested that the underlying mood remained cautiously optimistic given the positive effect of recent earnings releases and signs that Asia was recovering faster than Western economies.
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