1. Which one of the following statements is incorrect? a)Trade unions act as monopolistic suppliers of labour. b) Labour markets are sometimes monopsonistic, meaning that there is only one major employer or organisation. c) Employers and employees usually have perfect knowledge about the labour market conditions in which they operate. d) The labour market is a segmented market. 2. Which one of the following is not a source of imperfection in the labour market? a) Government intervention b) Imperfect knowledge c) Minimum wage legislation d) Full mobility of labour.