Here is the list of policies:
[[solar Solar subsidies]]
-10% solar power plant build price, -10% energy price
[[public Public logistics access]]
All corporations can export and buy assets as if they had an additional logistics center in this region (this does not affect market access), +10% to all facilities' build price
[[regional Regional planning]]
-25% to all facilities' build price, +5% to land price
[[tourism Tourism campaign]]
-4s to airport production time (but never less than 0:30), airports require an additional 4x of jet fuel
[[low Low income tax]]
+2 Happiness in a region
[[research Research grant]]
-10:00 research time, +10% energy price
[[organic Organic farming]]
+10% to Soil health, +10% to all farms' build price
[[high High income tax]]
-5 Happiness in a region, +5 Funding points
[[land Land grant]]
-5% to land price, +25% to all facilities' build price