ofiered by flrms to their managers, managerial efiort, and pro- cess innovation. According to the theory the value of a cost … United States constitutes the world’s largest bi-lateral trade relationship ever. The U.S. constitutes, by far, Canada’s most …-U.S. border... Unless addressed, unpredictable border delays would hinder production, export growth and investment." (The Bud- get …