Wouldn't that be a deterrent for anyone who wants to establish a business in Norway?
Look at the quotes : "Actress and director Liv Ullmann, for instance, earned $17k ... Pioneering women's long-distance runner Grete Waitz, a nine-time New York City Marathon champion, earned $13k"
Either their best and brightest are dirt poor or they prefer earning and keeping their money abroad.
If that was the objective of the law, it's a success.