Trade-Off Island

Run the island of Brindle, which makes just two things: laptops and bicycles. Move its five crews of workers between the bike works and the laptop factory and watch your point slide along the production possibility curve. Ship the orders Brindle can make, reject the ones that are unobtainable, put unemployed resources back to work, work out the opportunity cost of every move, and see a hurricane and new technology shift the whole curve.