<div class="t_msgfont">读一篇电力市场经济和管制的文章有几个问题, 请教大家<br/><br/>1. 文章中写到SMA(supply margin assesment) 和RSI (residual supply index)的区别<br/>Weakness of SMA:<br/>1]Overly restrictive and disqualifies a supplier for a single hour (peak hour)<br/>2]Does not account for operating reserve margin requirement<br/>3]Ignores the net buyer or seller position of a supplier and the possible collusion between suppliers<br/></div><div class="t_msgfont">Advantage of RSI:<br/>1]Allows for some hours where the threshold are exceeded to leave room for price fluctuation to reflect market situation, signal for conservation and new investment<br/>2]Higher threshold of 110% accounts for possible collusion<br/>3]Nets out capacity contracted to load under long-term fixed prices<br/>4]Allows distinction between net buyers and net sellers in the markets<br/>5]Threshold can be adjusted based on actual market experience<br/>我是初学经济的, 不能理解上述分析的意思<br/><br/>2. 为什么the inverse of HHI is the number of effective competitors, 这个是经验值还是有数学证明?<br/>希望高手讲解一下, 或者告诉我还可以把这些问题发到哪个相关专业版块,谢谢</div>