Columbia subject headings:
Incentives in industry--Abstracts.
Labor productivity--Abstracts.
Profit-sharing--Abstracts.
Harvard subject headings:
Incentives in industry--Abstracts.
Labor productivity--Abstracts.
Profit-sharing--Abstracts.
Princeton subject headings:
Incentives in industry--Abstracts.
Labor productivity--Abstracts.
Profit-sharing--Abstracts.