Collocations for economics - noun

applied, theoretical
classical, conventional, mainstream, orthodox
free-market, Keynesian, laissez-faire, liberal, market, Marxist, monetary, neoclassical, supply-side, trickle-down
contemporary, modern
trends in modern economics

global, international
basic, simple
He shows an understanding of basic economics here.

agricultural, behavioural/behavioral (esp. AmE), business, development, environmental, health, industrial, labour/labor, welfare

a school of economics