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By 2007, the telecommunications business was controlled by fewer organisations. One of these, Cable and Wireless, announced that there would be 3000 job losses. Another, Tiscali, announced 800 job losses, and BT, the UK telecoms giant, announced a 450m major investment and restructuring that resulted in thousands of job cuts. Analyse whether this is what marginal revenue product theory predicts will occur when a labour market becomes less competitive and major investment takes place.