For the first time, the US dollar (briefly) achieved parity with its Australian equivalent. The move came as new action to boost the American economy prompted a blanket sell-off in the greenback. Ben Bernanke, chairman of the US Federal Reserve, triggered the decline when he used a speech to say that more quantitative easing was justified by high unemployment and low inflation Photograph: Sukree Sukplang/ReutersHonor Blackman protests with pensioners from the Equitable Life Action Group in 2009. Early in the week it was rumoured that investors in the failed insurer Equitable Life were set to win a government compensation package of £1.5bn – more than three times the figure recommended by an official report. By Wednesday rumour became fact as George Osborne confirmed details in his spending review. Photograph: Andy Rain/EPAA busy week for the chancellor, George Osborne, included his desire to ensure banks do not deprive the exchequer of billions of pounds of revenue. Barclays and HSBC are two of the banks still to formally sign a tax avoidance code. The code was designed by the Labour government following a series of articles in the Guardian highlighting the intricate but legal schemes used by banks to avoid paying tax. Royal Bank of Scotland was the only bank to confirm it had signed up to the code Photograph: David Moir/Reuters