Week 1: Forecasting Management Flashcards
What is forecasting?
Attempt to foresee the future by examining past and present trends
Why forecast?
To identify problems, opportunities, threats before they happen.
Reactive approach - be prepared for these problems, keeping in mind that everything else stays constant. Otherwise predictions not accurate.
How do traditional models forecast?
Most traditional forecasting models extend historical patterns. They assume conditions of the past will be similar to the conditions of the future
- When environment changes, they perform less optimally
How is forecasting categorised on the time horizon?
Short term - <3 months- 1 yr
Medium term - 3 months - 3 yrs
Long term - 3yrs +
Examples of each time horizon
Short term - demand / cashflow / job scheduling
Medium term - Budget allocation/ labour market
Long term - Strategic (Environment, market conditions, technology) Product planning, Investment
Difference between forecasting and planning?
Forecasting is NOT planning
Planning: how business will achieve its goals
Forecasting is an INPUT to the planning model (advice on what will happen under assumed circumstances), but is more concerned with WHAT the future will look like
Forecasting and decision making, what is it based on?
Most forecasting required for decision-making is handled judgmentally
What is quantitative forecasting?
Prediction derived by mathematical algorithm/ numeric data
What is qualitative forecasting?
Predictions based on judgement
- NOT numerical
What forecasting is best for short-medium predictions
Quantitative
How to calculate error?
Actual number - Forecast