Version Notes
Version 8.73 (July XXth, 2026)
You can download IFs Version 8.73 at IFs 8.73.
WGDP(2100) = 548.1, WPOP(2100) = 9,667, WPOVEXTREME(2050) = 650.9, BaseYear = 2022, last year is 2100, Bilateral is ON, Constant Dollars Year is 2021.
Interface Updates
- Fix to reset Group variables in Flex Displays, problem when using Groups, then continue out to Main Menu and entering again.
- Stop using Nulls as 0s in Total formulas, problematic specially in GDS(Total), for US, China and Japan, but in general.
- Added Edit option to Education Pyramid.
- Change the scale for comparison in Education Pyramid.
- Added new option to Import Provinces Data.
- Fix for Switching between provinces with bilateral files
Model Updates
- Added new variable POPBYSEX, particularly to create a new Flex Display item Food Security Headcount by Sex.
- Changed initialization of Coal and Gas to use 10% of data of other sources if available
- Fix Run to Run on Embassies and Fix on LDRTRIPOUT, Conflict was not being used.
- Added Pardee Conflict variable to forward linkages.
- Added country dimension to slr, but only in the run of the model, in initialization still using the default from GlobalParameters.
- Updated computation of MFPSCCONF
- Added popurbanm and replaced migrater with migrateinr and migrateoutr in POPURBAN logic.
- The multiplier forestm was previously applied on a stock variable, which caused a compounding effect, this has now been fixed:

Added popurbanm to make exogenous changes to POPURBAN.
updating POPURBAN calculation to use migrateinr and migrateoutr instead of the old migrater.
Biggest absolut change for Myanmar at the bottom and for Israel at the top:

In relative terms Moldova shows the biggest drop, and again Israel the greates increase:

In the case of Israel, not only POPURBAN increases, but total POP too:

In the case of Myanmar POP didn't change, it was only POPURBAN that was reduced:

Moldova dropped its total POP as wells as its POPURBAN:

Data Updates
- Fixes to DataDict that were giving errors when adding 50 states provinces.
- Starting to use GTAP 12 initialization values.