Customization help

[Grimly]

Where can i change "penalty from number of cities to research new policies and great people?

I checked almost all xml files, but can't that parameters.

 

[CyberChrist]

NumCitiesPolicyCostMod in "XML\Gameinfo\Civ5Worlds.xml".

 

[Shiggs713]

nice find, I looked for a while, searched the wrong key words

 

[Grimly]

Thanks for great help!
CyberChrist how do tou search it?