A bank run is where a lot of people simultaneously withdraw money from the same bank. Its when they don't trust their bank. It makes the people at the bank have a bigger chance of loosing their job because the bank might not have enough money to fill their withdrawals.
When you begin working, you will most likely be both a producer and a consumer in a market economy, since you probably won't be in a position to produce so much that you could an impact on overall production of goods or services.
