The Vice President can be seen as a "back up" role to the president that also functions as Head of State (President of the Senate, presides over joint Congress sessions).
The Vice President is second in Presidential line of succession.
Answer:
In a market economy, its better.
Explanation:
In a command economy, the government makes the decisions, and the changes. The prices would more possibly stay the same, due to that they want to make the government stronger. But in a market economy, the citizens have the power. Which means that the prices are more likely to change from time to time due to the popularity of the product.