Michael E. Porter, HBR’s 10 Must Reads on Strategy

If the forces are intense, (..) almost no company earns attractive returns on investment.If the forces are benign, (..) many companies are profitable. P. 25

Michael E. Porter, HBR’s 10 Must Reads on Strategy

If the forces are intense, (..) almost no company earns attractive returns on investment.If the forces are benign, (..) many companies are profitable. P. 25