There are 3 types of economies: market, planning, and mixed. The story gave definitions and introduced advantages and disadvantages of each type of economy. The author lived under all 3 types of economies: planning (in the former Soviet Union), mixed (in Africa: Rwanda and Tanzania), and market (in the USA). Why countries chose to have a Market, or Planning, or Mixed economy?In reality, there in no one country in the world that has only a poor market economy, or poor mixed economy, or poor planning economy. Why? Please find answers in this story.