Research Spending Mechanic

Research Expanded is a mod that introduces a new, fully script-driven research investment system. It adds a custom economy slider, tooltips, and visuals that let you dynamically invest a percentage of your economic base into research, trading monthly gold for increased research speed.
Compatible with: 1.2.3
DLC: No need
Ironman: No
Officially Supported Languages: English and Polish
Community-Supported Languages: Chinese
Community-supported languages are provided via separate Workshop mods and are not included by default.

Investing in research grants a flat +0.20 Research bonus. The base cost is equal to 10% of the nation’s economic base.
This cost is reduced proportionally based on average literacy. Each point of literacy reduces the cost by 0.5%, up to a maximum reduction of 50% at 100 literacy (for example, 12 average literacy results in a 6% cost reduction).
The AI also invests in research, with the investment scaled to its income.

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Revisions:
Old revisions of this mod are available below. Click the link to download.
