Why are former socialist and command economies like those of China Cuba and Russia adopting more free market practices?

Former socialist and command economies like China, Cuba, and Russia are adopting more free market practices to stimulate economic growth, attract foreign investment, and improve living standards. The inefficiencies of centralized planning led to stagnation, prompting these countries to embrace market mechanisms that encourage competition and innovation. Additionally, integrating with the global economy allows for better resource allocation and diversification of their economies. Ultimately, these reforms aim to enhance economic resilience and sustainability in a rapidly changing world.