Myrdal did not cover China in his Asian Drama. If he did, he would have been most likely pessimistic about China, as he was about other Asian countries in his book. However, China has achieved miraculous growth since the transition from a planned economy to a market economy at the end of 1978....

Production often causes pollution as a by-product. Once pollution problems become too severe, regulation is introduced by political authorities which forces the economy to make a transition to cleaner production processes. We model this transition as a change in "general purpose technology"...