John and Jane’s lemonade stand on the corner is making them…
John and Jane’s lemonade stand on the corner is making them the envy of their neighborhood because of the spending money they have to show for it. Before long, Ignatius and Iphigenia set up their own lemonade stand three blocks away. Their success inspires Harvey and Haley to start offering lemonade at their shaved-ice shack. What economic principle do these kids demonstrate?
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