ENGLISH 121 INPUT-OUTPUT COEFFICIENTS F: COEFFICIENTS TECHNIQUES (ENTREES-SORTIES) 8: COEFICIENTES INSUMO-PRODUCTO Technical coefficients specifying the quantity of some particular INPUT per unit of OUTPUT or the amount of output produced per unit of input in a specified ENTERPRISE or ACTIVITY. 122 INPUT-OUTPUT DATA F: DONNEES DE BASE D'UN SYSTEM DE PRODUCTION S: TABLA INSUMO-PRODUCTO Data relating the level of crop or livestock OUTPUT to (different) levels of INPUT use. May be in physical or value terms but usually the former. 123 INTEGER PROGRAMMING F: PROGRAMMATION A VARIABLES ENTIERES S: PROGRAMACION ENTERA A form of mathematical programming related to LINEAR PROGRAMMING in which selected variables are constrained to whole-number values. 124 INTERMEDIATE ACTIVITY F: ACTIVITY INTERMEDIAIRE S: ACTIVIDAD INTERMEDIA, ACTIVIDAD DE CONSUMO INTERNO An ACTIVITY whose OUTPUT becomes an INPUT to another ACTIVITY, usually involving different ENTERPRISES of a FARM. 125 INTERNAL CONSISTENCY F: COHERENCE INTERNE S: CONSISTENCIA INTERNAL The state whereby the data in a collection are in accord amongst themselves. 126 INTERNAL RATE OF RETURN F: TAUX DE RENTABILITE INTERNE, TAUX DE RENDEMENT INTERNE S: TASA INTERNAL DE RETORNO The discount rate of interest which makes the NET PRESENT VALUE of an investment exactly zero. PAGE 26