SC2Mapster

Economy development helps you to focus your planet on different task, at late game the best to focus only on one thing per planet.
Economy: workers will produce minerals.
Production: increases the ship building speed of the planet.
Research: increases the research stats growth rate and decreases research time.
Resources: workers will produce the selected resource.
Resouces and minerals will be generated at every tick. You can see how much time left to the next tick at the top left side of the screen