Yes, that may force Putin to reconsider. The idea of sanctions is that Russia cannot sustain this war in the short term due to lack of parts _AND_ that this war may not pay off in the long term.
Russia should not improve economically by their invasion of Ukraine. Not in the short term and not in the long term. The area that Russia is now focusing on is of great economic importance, it is among other things. one of the few “warm water” ports that Russia would have. That is a harbor that does not freeze in the winter.
Without sanctions, this war is expensive in the short term, like any war, but Russia would be better off in the long run if they annexed Crimea, Donbas and Luhansk. We want to prevent that. By stopping investments, boycotting energy such as coal and long-term gas, etc, etc.
So these economic sanctions are not so much a means to bankrupt Russia today, but to make Russia see that in the long run it is better to stop.
It is also not only a means of pressure towards Putin, but towards countries in general. A message like: “Don’t invade a country that doesn’t belong to you, because it will cost you a lot in the long run”.
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