Month | 2003-2007 | 2008-2012 | ||||||
CAR | StdDev | t-stat | Size | CAR | StdDev | t-stat | Size | |
12 | −0.106*** | 0.125 | −15.883 | 351 | −0.014*** | 0.102 | −3.817 | 798 |
24 | −0.052*** | 0.118 | −8.312 | 351 | −0.001 | 0.081 | −0.261 | 519 |
36 | 0.050*** | 0.141 | 6.597 | 351 | 0.250*** | 0.250 | 34.942 | 171 |