3. Minimal government Intervention: Capitalist societies believe markets should be left alone to operate without government intervention. However, a completely government-free capitalist society exists in theory, only. Even in the United States--the poster child for capitalism--the government regulates certain industries, such as the Dodd-Frank Act for financial institutions. By contrast, a purely capitalist society would allow the markets to set prices based on demand and supply for the purpose of making profits.