GFP was used as a useful proxy for pharmaceutical transgenes.
However, in the case of soil lead, research has shown that land use is not a useful proxy.
Reuters calculated the numbers released by the national energy administration suggest that electricity use – often seen as a useful proxy for economic activity in a country where GDP statistics are not widely trusted – dropped 2.1% compared with 2014.
Despite these limitations, Ascaris IgE responses remain a useful proxy for immunological and epidemiological studies, and are a standard and widely used indication of Ascaris exposure/infections.
The auto industry has historically been a useful proxy for the overall economy.
But as the first investment bank to report earnings, it still serves as a useful proxy.
Yields are a useful proxy for the riskiness of a bond and, therefore, the creditworthiness of a country's economy.
Pakistani strategists see the Taliban as a useful proxy to marginalise the influence of arch-rival India.
Carbon is a useful proxy because if you are saving carbon, you are also typically saving money and reducing waste.
It may be simply that fertility rates are a pretty useful proxy for wealth rates: richer people produce fewer children.
"And the Republicans said, 'We're against deficits,' meaning 'We're against spending increases.' " The deficit, in other words, was simply a useful proxy.
