int CvTeam::getResearchCost(TechTypes eTech) const
{
int iCost = GC.getTechInfo(eTech).getResearchCost();
// (... apply a bunch of other percent modifiers ...)
iCost *= std::max(0, 100 +
GC.getDefineINT("TECH_COST_EXTRA_TEAM_MEMBER_MODIFIER") *
(getNumMembers() - 1));
iCost /= 100;
}