Morale

can greatly boost the output of a colony, giving a percent bonus to, , , and. It applies only on the colony level--there is no empire-wide morale--and a low morale does not appear to have any negative effects apart from not receiving these bonuses.

Factors that can affect Morale include:


 * of the planet (+10% per level);
 * Tolerable (-25%) and Hostile (-50%) ;
 * Government types (which may interact with depending on the type);
 * Unassimilated ;
 * Overcrowding (-4% per pop over 14);
 * (+15%);
 * wonder (+10% to all colonies);
 * Philanthropic trait and Spiritual Leader secondary skill;
 * tech (+1% per strategic resource);
 * in the Adventure tree;
 * Some.

The severe non-ideal penalties are a major reason for.