The Double Irish Dutch Sandwich was a widespread corporate tax evasion strategy involving complex arrangements between US parent companies and foreign subsidiaries. The strategy significantly reduced tax liabilities by shifting profits to tax havens like Bermuda. However, recent tax reforms in Ireland and the US rendered this tactic ineffective, leading to reduced tax evasion through these channels and a shift in royalty payments directly to US parent companies. This change highlights both the loss in government revenue and the diversion of talent towards tax-related corporate reorganizations.
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