A feature of imperfect competition is <u>economies of scale</u>, which means that as the firm expands its production, average costs of production fall. Therefore, the firm can <u>decrease</u> its costs of production by selling internationally.
The teachers present at the teacher's lounge could be there for a variety of reasons, for example it could even me a meeting of the supporters of the school uniform! his sample is therefore possibly biased - there is no way of knowing that it represents the whole population. He chose it because it was convenient to him - and the answer is "a, convenience sampling"
Mr. Z has forgotten about the time he made a fool out of himself so this much be the Repression defense mechanism at work.
<h3>What is the Repression defense mechanism?</h3>
It is a response to a traumatic or uncomfortable situation that a person went through at some point in their lives.
It involves unintentionally hiding the memories of that situation out of our conscious mind such that it would be very difficult to remember.
Mr. Z has forgotten the situation where he made a fool of himself so he must have repressed the memory.
Find out more on repression at brainly.com/question/7842386.
Part of it was it brought up another article for trading