Economic Driver Fields
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This article explains Economic Driver fields in Model Reef.
You will learn:
What counts as an economic driver.
Which fields are important for economic drivers.
How to shape economic drivers across time.
Economic drivers are value or rate based inputs such as prices, inflation, FX rates, discount factors and index series.
Typical economic drivers include:
Unit prices for products or services.
Inflation series for wages or costs.
FX rate time series for currency conversion.
Commodity prices.
Index based series such as CPI-like assumptions.
These drivers are usually multiplied with operational drivers or variables.
When editing an economic driver you will see fields such as:
Name
A clear label, for example Price - Product A or FX - EUR to GBP.
Type Set to Economic driver.
Units For example currency per unit, percent or index.
Time series grid Values per period, which you can edit manually or populate via imports or presets.
Notes and tags To document the source and intended use of the driver.
These fields live in the Driver Editor and, in some cases, the Data Library.
You can shape economic drivers by:
Typing values directly into the time series grid.
Applying growth or escalation assumptions.
Importing historical data and extending it forward.
Applying seasonal multipliers where relevant.
A common pattern is to set a base rate and then apply a growth or inflation curve over time.
Economic drivers are often used in formulas such as:
Revenue = Units driver × Price driver
Cost = Base amount × Inflation driver
FX adjusted amount = Local amount × FX rate driver
They are read only in formulas and do not themselves create accounting entries until used by variables.
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