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discussion paper

Raices y tuberculos para el siglo 21

La gran importancia de las raices y tuberculos como fuente de ingresos para los agricultores pobres y como fuente de alimento para la poblacion de escasos recursos, tanto rural como urbana, es muchas veces ignorada en el debate sobre el mejoramiento de…

discussion paper

Attrition in longitudinal household survey data

Longitudinal household data can have considerable advantages over much more widely used cross-sectional data. The collection of longitudinal data, however, may be difficult and expensive. One problem that has concerned many analysts is that sample attr…