Employees are not a finite resource. Pay enough to hire half of the chartered accountants and that will drive the creation of more. Demand follows supply.

Land is finite. Buy half of all the land and that won't exactly drive the creation of more land will it? It'll just drive up the price of existing land.

This is in a nutshell why some things in America are dirt cheap (e.g. electronics, clothes) while houses keep getting more and more absurdly priced.