Market Z is the principal market of Hallevin for its tin lots. Brindelle, which has no access to Z at the measurement date, writes: "Our principal market is also Z, since it is Hallevin's." What is the error?
Market Z is the principal market of Hallevin for its tin lots. Brindelle, which has no access to Z at the measurement date, writes: "Our principal market is also Z, since it is Hallevin's." What is the error?