Columbia subject headings:
Agricultural price supports--OECD countries.
Agricultural prices--Government policy--OECD countries.
Agricultural subsidies--OECD countries.
Agriculture and state--OECD countries.
Harvard subject headings:
Agricultural price supports--OECD countries.
Agricultural prices--Government policy--OECD countries.
Agricultural subsidies--OECD countries.
Agriculture and state--OECD countries.
Princeton subject headings:
Agricultural subsidies--OECD countries--Statistics.
Agriculture--Economic aspects--OECD countries--Statistics.
Statistics.