It may do so by first asking business units and functional areas to propose strategic plans for themselves, or it may begin by drafting an overall corporate plan within which the units can then build their own plans. Research suggests that bottom-up strategic planing may be most appropriate in multidivisional corporations operating in relatively stable environments but that top-down strategic planning may be most appropriate for firms operating in turbulent environments. Other organizations engage in concurrent strategic planning in which all the organization’s units draft plans for themselves after they have been provided with the organization’s overall mission and objectives.