Underemployment Labor supply 8 Unemployed 4 Unemployment 4 Employment 3 Developing countries 2 Disguised unemployment 2 Statistics 2 College graduates 1 College teachers 1 Commuting 1 Congresses 1 Doctor of philosophy degree 1 Economic aspects 1 Economic conditions 1 Education 1 Hard-core unemployed 1 High school graduates 1 History 1 Industrial relations 1 Job sharing 1 Labor mobility 1 Labor turnover 1 Layoff systems 1 Manpower policy 1 Marginality, Social 1 Part-time employment 1 Personnel management 1 Statistical methods 1 Supply and demand 1