TY - BOOK AU - Mengistae, Taye. ED - Center for the Study of African Economics. TI - Age-size effects in productive efficiency: a second test of the passive learning model U1 - 338.5 MEN PY - 1995/// CY - Oxford PB - Centre for the Study of African Economics KW - Industrial efficiency KW - Measurement KW - Industrial productivity N1 - Includes Bibliographic references: (p. 19-21) ER -