00401pab a2200133 454500008004000000100002500040245009600065260000900161300001400170362001200184650002600196650001300222773003200235180718b2009   xxu||||| |||| 00| 0 eng d  aIslam, Faridul et al  aPersistence of shock in a time series: an empirical analysis of Bangladesh railway earnings  c2009  ap.429-49.  aJul-Dec  aRailways - Bangaldesh  aRailways  aSouth Asia Economic Journal