00324pab a2200121 454500008004000000100001800040245006100058260000900119300001600128362001000144650001400154773003400168180718b2003   xxu||||| |||| 00| 0 eng d  aNachane, D.M.  aCausal inference and scientific explanation in economics  c2003  ap.3791-799.  a6 Sep  aEconomics  aEconomic and Political Weekly