I think it's more like $12 for every $1. And contrary to a reply, it is the marginal rate, not the average rate. https://www.mckinsey.com/industries/public-sec

I think it's more like $12 for every $1. And contrary to a reply, it is the marginal rate, not the average rate. https://www.mckinsey.com/industries/public-sector/our-insights/improving-the-effectiveness-of-tax-collection-30-dollars-in-additional-revenue-for-every-1-dollar-spent https://www.mckinsey.com/industries/public-sector/our-insigh...