Economic Terms PowerPoint. Fundamental basic economic terms such as market economy, mixed economy, and command economy, capitalism, communism, Karl Marx, Joseph Stalin, socialism, tariffs, free trade, supply and demand, and trade barriers. Basic concepts for students being introduced to economics. Essential background knowledge to supplement your lessons. Please see full preview. Note: animations do not show in the preview.Also includes a 15 question self-grading Easel Assessment. Did you know t