The economy is mainly effected in communism, in a dictatorship it is one person who takes over and makes all decisions by themself. A communist has a government behind them to help make the decisions and they take over the economy mostly.
In communism, they mostly affect the production of crops and farming. No one is allowed to own a farm who is under the age of 13
In a dictatorship, they have a government behind them and do not have the power to make all decisions by themselves.