00429nam a2200109Ia 4500082001900000100001700019245021700036260004900253300000700302500000500309700000500314  a336.5bN331.PR  aNayaK, P. R.  aPrice rigidities, rationing schemes and economic efficiency; a thesis submitted to the Indian Statistical Institute as a partial fulfilment of the requirments for the award of the degree of Doctor of philosophyb  aNew DelhibIndian Statistical Institutecn.d  a56  a  a