Privatization 173 Public-private sector cooperation 149 Private collections 106 History 100 Art collections 58 Art 46 Finance 46 more ... Private investigators 46 Private schools 43 Infrastructure (Economics) 41 Private libraries 37 Private security services 34 Privatization in education 34 Economic policy 32 Private presses 32 Contracting out 30 Government policy 30 Private equity 28 Private companies 26 Management 23 Law and legislation 21 Social aspects 19 Economic aspects 18 Painting 18 Economic conditions 17 Education 17 Printing 16 Private universities and colleges 16 Privateering 16 Library 15 less ...