Another issue with Panama, long-term (I’d expect the main benefits to come 6 to 30 years from now), is climate change, perhaps with political stability.
Panama is considered a highly vulnerable country to climate change impacts. Panama experiences a series of extreme weather events including intense and protracted rainfalls, windstorms, floods, droughts, wildfires, earthquakes, landslides, tropical cyclones, tsunamis and ENSO/El Niño-La Niña events.
Another issue with Panama, long-term (I’d expect the main benefits to come 6 to 30 years from now), is climate change, perhaps with political stability.
I couldn’t find much on the topic in an incredibly limited search, but here’s something: (though the source isn’t great)
https://www.adaptation-fund.org/project/adapting-climate-change-integrated-water-management-panama/