Version Notes

Version 8.73 (July XXth, 2026)

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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:

• 

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.