I don't presume to know the inner workings of either the british or french tax system well enough to comment on which specific taxes should be increased or decreased.
On a general note, however, production should be made more profitable, while house ownership should be made less profitable. There's a wealth of possibilities on how to achieve that, like certain tax increases and decreases, government subsidies(for startups), increased house building, etc etc.
One example that would work in Norway, is to tax property(at least second homes+) at the full market value(instead of 20-25%), and use that money to decrease the employment tax.
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