Economics Quiz Welcome to your Level 1 - 1000 Describe scarcity in relation to economics ? How do you define resources ? Which of the following is not an economic Unit Consumer Resource Owner Producer none None Define Opportunity Cost Time's up Leave a Reply Cancel replyCommentEnter your name or username to comment Enter your email address to comment Enter your website URL (optional) Save my name, email, and website in this browser for the next time I comment.