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Do they? Serious question. While it would make sense that you have to invest in your labour force in order to generate revenue many managers/businessmen seem to have overlooked that.
I'm not suggesting its a policy issue but it's a system that would exploit a WorkChoices system to maximise profits at the expense of the workforce.
It depends mate, some essentially skill-less roles are deemed interchangeable, and managers spend as little as possible on those roles
But the knowledge and skills required for a role, the more expensive it is to source and replace - those roles get all the love.
Secret, make yourself valuable, then you enter into the eternal management battle; "how little can I spend/exert energy to keep a unit happy and motivated"
There was a good podcast on the subject of the winners and losers in this changing economy
The End of the Pay Rise?
Wages have fallen for most of us for the last six years in Britain, which is unprecedented. We’re told that there’s a return in economic growth and yet wages have still not picked up. What has happened? Is this a long term problem – is this the end of the pay rise? Paul Johnson, director of the Institute for Fiscal Studies, explores the mystery of our falling wages and how wages are shared out between the top earners and the rest of us.
http://www.bbc.co.uk/podcasts/series/analysis