Final answer:
The three keys to economics are economic efficiency, understanding scarcity, and making informed choices about resource allocation in the face of limited resources.
Step-by-step explanation:
The simplest definition of economics as an effort to maximize limited resources to meet human demands involves several key concepts. The three keys to meeting this definition include economic efficiency, understanding scarcity, and making choices. Economic efficiency means utilizing resources to their fullest potential to maximize the production of desired goods and services. Understanding scarcity is crucial, as it highlights the fundamental economic problem that human wants and needs exceed the resources available. Lastly, economics involves making informed choices to allocate these limited resources in the most beneficial manner.
Economic studies range from individual decisions to societal ones, examining how we navigate the complex balance of our unlimited wants versus our limited means. The study of economics is vast, encompassing various aspects of human life where scarcity forces us to prioritize and choose different options.