Then if you take into account that with large populations people seem to follow incentives quite strictly. Nobody can recall they didn't buy bottle of jack beca

Then if you take into account that with large populations people seem to follow incentives quite strictly. Nobody can recall they didn't buy bottle of jack because of additional 5% tax. But that tax increase shows in alcohol consumption statistics. But I'm not advocating overly harsh punishments either. At some point you hit diminishing returns.