The past tense is in reference to the historical event, it doesn’t refer to the present state of Finland’s economy.
If someone had a post titled: “How Trump caused a rift within liberalism in the US” the past tense would not imply that Trump no longer exists or that he is no longer a politician, it would simply be referring to the political rift as a historical event.
You say ‘caused’ in the past tense. Is Finland no longer capitalist?
The past tense is in reference to the historical event, it doesn’t refer to the present state of Finland’s economy.
If someone had a post titled: “How Trump caused a rift within liberalism in the US” the past tense would not imply that Trump no longer exists or that he is no longer a politician, it would simply be referring to the political rift as a historical event.