The 40% are most likely lvl bonus that the research Cloister gets (you can see it has 8 lvls at the screenshot)
edit:
<Stats>
<EffectType>Research</EffectType>
<Target>
<TargetType>Faction</TargetType>
</Target>
<BonusType>Multiplier</BonusType>
<Value>0.33</Value>
</Stats>
This is the xml part, not sure if Research Bonis to Faction do work though