It was all due to a data glitch and no trades were made at incorrect prices. (techtimes.com)
Update: An earlier version of this post cited incorrect pricing information. (blog.us.playstation.com)
Since the 1970s, a number of more sophisticated explanations of wage stickiness have been advanced, for example search theories coupled with incorrect price - level expectations, long - term labor contracts, implicit contracts, and efficiency wages. (uneasymoney.com)