They are simple enough to be used as illustrations of theoretical points in introductory explanations of macroeconomic ideas; but therefore quantitative application to forecasting, testing, or policy evaluation is usually impossible without substantially augmenting the structure of the model.

It was first released in 1836 and substantially augmented in 1848.

In his recommendation to the Zoning Board of Appeals, Mr. Schuman wrote: "The proposed office use would not alter the essential character of the neighborhood, would not substantially augment traffic or parking congestion, would not have any adverse esthetic impact and would be compatible with the general character of Hilton Avenue."

This alone would reduce the population explosion in America and substantially augment the efforts of Planned Parenthood.

It is not possible to substantially augment the fishes' food or give them medicines (except in the case of Hatch and Catch fisheries such as salmon hatcheries, where the fry are reared only to a small size prior to release to the wild).

Not only is he seen as having originated the highly nuanced level of language which characterizes Russian literature after him, but he is also credited with substantially augmenting the Russian lexicon.

All through the bad years, the hungry twenties and thirties, it was he who substantially augmented father's small wages.

I heartily agree that this regulation substantially augments the armoury of the European Union, of the Member States and of our people in the combating of workplace hazards.

The gift substantially augments the number of silversmiths represented at the gallery.