Forecasting for planning: Qualitative techniques

摘要: In our first two articles, we described the new environment in which are living, its impact on forecasting and decision‐making, importance of being able to identify turning points a dynamic environment. Because influence factors system dynamics may preclude use quantitative methods for establishing historical relationships, need qualitative techniques has increased due deviations from trends relations, changes consumer attitudes preferences, energy ecology considerations, emphasis individual's ability shape community social strategies, other such factors.