The three main advantages of the Planned economy. First you will always fine sufficient investment growth and always fine equal of wealth and last may encourage the spur of new productivity. Although there are many disadvantages a planned economy does have an advantage. There will always be equal wealth and steady growth of investment.
Reference: Ebert and Griffin, R.W. (2005). Business essentials. Upper Saddle River, NJ: Pearson Prentice Hall
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