Proposals for fundamental reform of the federal tax code are receiving increased attention in the business press and among economic analysts and policymakers. President Bush has identified tax reform as a top priority, calling for a tax system that is “pro-growth, easy to understand, and fair...

The federal tax liabilities of different income groups change constantly in response to new tax laws and shifting economic circumstances. For example, in recent years, Congress has lowered individual income tax rates, increased child and dependent care credits, and reduced taxes on dividends and...