Michael Noonan (Limerick City, Fine Gael) | Oireachtas source

I have given the OECD view from its survey. According to the OECD, even a 2.5% rise from 12.5% to 15% would reduce inward investment by nearly 10%. The OECD in its working paper entitled, "Tax and Economic Growth", states:

The possibility that high top marginal tax rates will increase the average tax rates paid by high skilled and high income earners so much that they will migrate to countries with lower rates, resulting in a brain drain which may lower innovative activity and productivity.

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