Columbia subject headings:
Households--Economic aspects--Congresses.
Informal sector (Economics)--Congresses.
Labor supply--Congresses.
Occupations--Congresses.
Unemployment--Congresses.
Harvard subject headings:
Households--Economic aspects--Congresses.
Informal sector (Economics)--Congresses.
Labor supply--Congresses.
Occupations--Congresses.
Unemployment--Congresses
Princeton subject headings:
Households--Economic aspects--Congresses.
Informal sector (Economics)--Congresses.
Labor supply--Congresses.
Occupations--Congresses.
Unemployment--Congresses.