It increases the effect that the boost gives to subsequent researches. For example, if the research boosts all subsequent research income by 5% at level 1, it will boost it by 10.25% at level 2 and so on. All such boosts add up along each branch. I definitely agree with you that it needs to be better explained, though!
It increases the effect that the boost gives to subsequent researches. For example, if the research boosts all subsequent research income by 5% at level 1, it will boost it by 10.25% at level 2 and so on. All such boosts add up along each branch. I definitely agree with you that it needs to be better explained, though!