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ENGLAND boss Roy Hodgson is concerned that international breaks are being turned into 10-day windows for club managers to give key players a rest.
Panels B and C of Table 1 provide tests of differences for the entire sample and the 10-day windows around Katrina and Rita.
Panel B gives the statistics for a 10-day window around the landfall of Katrina whereas Panel C presents the statistics for a 10-day window around the landfall of Rita.
Examining the means for the entire 10-day window, we find significantly more short selling around Rita than around Katrina (the median difference for the short-volume ratio is not statistically significant).
We test for the significance in short-selling activity in the 10-day window around the hurricanes.
7) We recognize that short selling is upward trending for the time period, so we compare the means of the short-selling measures reported in Table 3 with the mean from the 20-day window prior to the 10-day window around each hurricane.