标签：firmthestoryofmckinseyanditssecretinfluenceonamericanbusiness

It ranks among the unquestioned laws of American big business over the last half century: If you want to be taken seriously, you hire McKinsey & Company. FOUNDED IN 1926, McKINSEY CAN LAY...

标签：americanBusinessduffmcdonaldfinancialfirmfirmthestoryofmckinseyanditssecretinfluenceonamericanbusinessisbnmckinseythey