The rationale for economic transformation has been consistent throughout the world and is based on the idea that Multiple choice question. mixed economies succeeded in delivering the kind of sustained economic performance that was achieved by countries adopting market-based systems. market economies failed to deliver the kind of sustained economic performance that was achieved by countries adopting command-based systems. countries adopting market-based systems had more continuous economic growth than those adopting command economies. planned economies succeeded in delivering the kind of sustained economic performance that was achieved by countries adopting market-based systems