Yes, there are cases where civil disobedience would be an ineffective response to unjust laws and one of these would be a refusal to pay taxes.
This refers to the actions that are taken by the citizens of a nation in response to unjust laws by the government.
Hence, we can see that refusal to pay taxes would be ineffective if more people don't join and this would land the defaulter a jail term and this brings his civil disobedience to an ineffectual end.
Read more about civil disobedience here:
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