00430pab a2200121 454500008004000000100002400040245014600064260000900210300001000219362000900229650003500238773003500273180718b1983   xxu||||| |||| 00| 0 eng d  aYeats, Alexander J.  aOn the effects of aggregation bias in alternative estimates of India's transportation cost profilebA comment on Sapir's estimation procedure  c1983  a250-2  aJan.  aTransportation - Costs - India  aJournal of Development Studies