Abstract Stringent environmental taxes in high-income countries are assumed to drive dirty industries to low-income countries, but the empirical evidence for ``pollution havens" is surprisingly weak. We demonstrate that a government trying to prevent flight by a ``dirty" durable good monopolist...

We embed an N-level human-capital hierarchy in a growth model and demonstrate that the hierarchical structure generates an optimal investment program with phases of stock depletion and expansion in the stocks of the various levels of humancapital. We then take the implications of the model to...