Economists have long studied the economics of superstars in fields where a company can lever enormously the decisions of a small number of individuals, making them valuable in a way that someone who can, say, chop down trees like the legendary Paul Bunyan, is not.
Mais la réponse à la question politico-économique de savoir dans quelle mesure les pays seront capables de tolérer des différences de salaires demeure tout à fait incertaine.