Table 5 DACT analysis by profit/loss subgroup
Date of implementation | Before or after implementation | Group1 | Group2 |
Profit | Loss | Profit | Loss |
2006-09-01 First cut | Before | 0.701 | − | −0.123 | − |
After | 0.578 | − |
2011-03-22 Second cut | Before | 0.262 | 0.197 | 0.054 | 0.042 |
After | 0.316 | 0.239 |
2012-09-24 Third cut | Before | 0.271 | 0.309 | 0.054 | −0.037 |
After | 0.327 | 0.272 |
2013-03-22 Fourth cut | Before | 0.260 | 0.303 | 0.037 | −0.051 |
After | 0.297 | 0.252 |
2014-01-01 Fifth cut | Before | 0.137 | 0.132 | 0.037 | −0.003 |
After | 0.173 | 0.129 |
Statistical test | Chi square | 13.433… | Standardized J-T | −3.665… |