Nearly half of the managers interviewed by the International Institute for Management Development in Lausanne, Switzerland, say job stresses in today's global business environment have increased. The four biggest causes: new technology that has speeded the innovation cycle and placed all operations in a real-time world; a borderless market with new competitions that are not just miles away, but a mouse click away; global investors that pigeonhole companies based on their ability to have a minimum return-on-equity of 15%--the U.S. benchmark; and educated customers that are driving prices down and who expect speedy, flawless execution of their orders.