OECD says taxes on wages continue to rise. - Personal income tax has risen in 25 out of 34 OECD countries over the past three years, as countries reduce the value of tax-free allowances and tax credits and subject higher proportions of earnings to tax, according to new data in the annual Taxing Wages publication published on 11 April by the OECD. The increases in tax burdens on labour income in 2013 were largest in Portugal, the Slovak Republic and the United States. The OECD said the...