Do any economic systems in the world reflect the purest forms of command or laissez-faire economies?

You park your car on sixth street and walk over to the quad for lunch. while crossing wright street, you are hit by a bicyclist and knocked to the ground. you hit your head so hard you are knocked out. when you wake up, the person who hit you is gone. you incur $45,000 in medical bills. the person who hit you would be liable for $150,000 in damages if you could find them. your policy will pay: