It takes time and experience to absorb new technologies, so technologically backward producers need a period of protection from international competition during this period of learning. Such protection is costly, because the country is giving up the chance to import better and cheaper products. However, it is a price that has to be paid if it wants to develop advanced industries.
Bad Samaritans: The Guilty Secrets of Rich Nations and the Threat to Global Prosperity (ed. Random House, 2008) - ISBN: 9781407005324