Australia is at risk of becoming a “banana republic,” one of Australia’s leading economic consultancies has warned.Access Economics, a major free-market think-tank close to the Liberal Party, has warned in a report, launched on January 24, that Australia’s current account deficit is pushing Australia into “banana republic” range.”OK, it’s panic-button time,” declared Access Economics director Chris Richardson the day before the launch. “It will take longer than markets realise to rein in a curre…