The solid line corresponds to the combined data for both Harry Potter and Xbox; the dashed and the dotted lines correspond to the ... This slowdown continues until about day 4, after which the dynamics reverse; acceleration turns positive and leads to an increase in velocity. In fact ... One reason for this may be that the stakes in high-valued auctions are higher, causing more extreme price movements.
Title | : | Journal of the American Statistical Association |
Author | : | |
Publisher | : | - 2008 |
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