New methods were developed to measure their impact; new approaches were introduced to account for the possibility that the multiplier could vary over time; and new data were compiled to incorporate better actual budgetary decisions.
Se desarrollaron nuevos métodos para medir su impacto; se introdujeron nuevos enfoques para considerar la posibilidad de variaciones en el multiplicador en el tiempo; y se compilaron nuevos datos para incorporar mejores decisiones presupuestarias reales.