Beginner's Guide to Magical Economics

"What should I do if I travel to the magical world?" Ordinary time traveler: learn magic! Collect the harem! Slay the dragon! Kane: Do market research first, then write a business plan. "What should I do if I have the talent of seven magic lines?" Ordinary genius: I want to become a Dharma God! Kane: This means that the family will make a huge human capital investment in me, and the expected annualized return rate needs to be 12% to cover the opportunity cost. "What should I do if I meet a girl I like?" Ordinary boy: Confession! Dating! Send flowers! Kane: Build an emotional utility function, calculate the net present value of relationship persistence, assess moral hazard and adverse selection... And then get hit in the face with a cookie. "What should I do if a demon invades?" Ordinary Hero: Gather the Army! Resist to the death! Kane: Hello, this is the "Plane Channel Franchise Plan". Your adoption of the BOT model can reduce the invasion cost by 83%, and we provide tax incentives... This is the story of an unreliable economic soul who uses the only rational tool he knows to leverage the entire magical civilization in a completely unreasonable world. —— Warm reminder: Reading this book may cause the following symptoms. The first reaction to seeing a dragon is to estimate the cost of keeping it; Believes that princess kisses should be priced based on supply and demand; I feel that the terms of the devil's contract need to be supplemented with liability for breach of contract; And, never look directly at the "free" magic lunch.