Planned Economy v1.0: It is illegal for anyone to operate a business without approval from a government ministry. Government experts decide which companies can operate, from which locations, and engaging in which businesses.
Planned Economy v2.0: Set up tax rates that are, by global standards, punishingly high. It is therefore impractical to do business if a company must pay the headline rates. Government experts decide that certain companies, in certain locations, and engaging in certain activities, can operate with tax rates that are closer to global norms.