South Korea and Argentina are reasonably well matched for a comparison: moth are midsize in population, and both were long classified as middleincome countries but now S. Korea is a highincome country, and has almost double the per capita income of Argentina can the four classic approaches to development explain this reversal? South Korea Stages of Growth S. Korea conmis some linearstages views, but in a limited way its share of invesnnent in national income has been among the highest in the world, and this is a crucial part in the explanation of the nation's rapid ascent but S. Korea does seem to epitomize Rostow's notion of an economy in the midst of a \"drive to maturity\