Chapter 4
Additional Concepts in Budgeting
So far, we have
emphasized simple approaches to preparing budgets, such as looking at
relationships between account balances and sales. We also should have a clear
understanding of past financial performance to help us predict future financial
performance. Extending past trends and adjusting for what is expected is a
common approach to preparing a forecast. However, we can improve forecasting by
using several techniques. The first step is recognize certain fundamentals about
forecasting:
1.
Forecasting
relies on past relationships and existing historical information. If these
relationships change, forecasting becomes increasingly inaccurate.
2.
Since
forecasting can be inaccurate due to uncertainty, we should consider developing
several forecast under different scenarios. We can assign probabilities to each
scenario and arrive at our expected forecast.
3.
The longer the
planning period, the more inaccurate the forecast. If we need to increase
reliability in forecasting, we should consider a shorter planning period. The
planning period depends upon how often existing plans need to be evaluated. This
will depend upon stability in sales, business risk, financial conditions, etc.
4.
Forecasting of
large inter-related items is more accurate than forecasting a specific itemized
amount. When a large group of items are forecast together, errors within the
group tend to cancel out. For example, an overall economic forecast will be more
accurate than an industry specific forecast.