Describe the different role of the state in a market economy. Why do states intervene in the economy?

Even among states that adopt capitalism, distinct models (or variations) of capitalism have emerged.

Pick two states (hint the ones covered in the case studies would be the easiest) which illustrate different models under the variety of capitalisms approach and describe those economic models using the cases as your examples.

Describe the different role of the state in a market economy.

Why do states intervene in the economy?