00439nam a2200133Ia 4500001001100000005001700011008004400028020001500072245007100087260005200158300001500210650006500225999001500290000001593220251012174542.0         1983    ja                       c  a425852019510aOptimal pricing policies for economic developmentcby Eiji Tajika   aTokyobInstitute of Developing Economiesc1983   a98p.c24cm00aPrice regulationzDevelopment countriesxMathematical models  c5992d5992