UP · EKN120
EKN120 Economics 120 · University of Pretoria · Semester 2 2026
EKN120 Economics 120 at UP features an interactive step-by-step explainer that breaks down complex economic concepts using plain-language explanations, inline visuals, and instant-feedback questions to build understanding one idea at a time.
Built from prompt
Build an interactive explainer from my uploaded materials — a guided, step-by-step walkthrough that teaches the hardest, most important concepts one idea at a time. For each step, explain the intuition in plain language, show an interactive inline-SVG visual or worked example I can step through or reveal, then ask a quick check-for-understanding question with instant feedback before I continue. Include clear next and back controls, a progress bar across the lesson, and a restart. Make it genuinely interactive and beautiful, with clean typography, smooth transitions, and a calm, restrained palette.

Consider two separate events in South Africa: the government increases spending on health care; electricity tariffs rise, increasing firms’ per-unit production costs. Assume all else is constant and short-run aggregate…