Cournot Competition And Fluctuating Prices

From WSJ:

Even for the airline industry, cheaper oil may not be all good, analysts say, if carriers see it as an opportunity to increase capacity and then lower fares to fill empty seats, some analysts say. Hunter Keay of Wolfe Research LLC recently noted that airlines did just that during a previous oil slump in 2010. “Then oil prices went right back up again, as they tend to, and 2011 stunk,” he wrote.