The finance chiefs of the Group of 20 economies agreed Friday to aim for the signing "as soon as possible" of a tax treaty that would target digital giants and multinationals, underscoring the need for a fairer and progressive taxation system with the super-rich also in mind.Wrapping up two days of talks in Rio de Janeiro, the G20 economies also reiterated their commitment to ensuring stability in the foreign exchange market, on the view that excessive and disorderly fluctuations would negatively impact their financial systems at a time of a strong dollar.Many countries are currently engage…READ FULL ARTICLE