China is boosting both, but so far its "positive supply shock" has been the more important.

中国对这两方面都有促进作用，但是到目前为止，这种“正供给冲击”更为重要。

youdao

It seems highly likely, Mr Oswald's scepticism notwithstanding, that a surge of technological progress in America has indeed applied a significant positive supply shock to the economy (see article).

ECONOMIST: Oil and the new economy

Lawrence Summers, America's treasury secretary, attracted attention recently when he likened the new-technology boom to a positive supply-side shock, the converse of the oil-price shocks of the 1970s.

ECONOMIST: Oil and the new economy