Build a model. Make a decision.

Real companies, public financial data and assumptions you can challenge. Start with Spotify’s guided build, then take on Airbnb with less help.

Spotify: can higher prices produce better profits?

Forecast subscribers, subscription revenue, advertising and costs. Find the subscriber loss that offsets a price increase.

Eight free exercises · About 55 minutes · Beginner to intermediate

Explore the Spotify case

Airbnb: would cheaper nights earn more?

Model nights, prices, bookings, revenue and costs with less guidance: each exercise states the question, not the formula. A worked solution follows your first attempt.

Five free exercises · About 46 minutes · Intermediate, after Spotify

Explore the Airbnb case