Munich Re, the world's biggest reinsurer, said Tuesday it expects business and earnings to be stable this year after bottom-line profit increased by more than fourfold in 2012."Even though the consolidation of state finances and high unemployment will result in slower economic momentum in many industrialised countries, we remain optimistic for our business," said chief executive Nikolaus von Bomhard."For 2013, we are aiming for a result of close to 3.0 billion euros ($3.9 billion)," he said.And assuming exchange rates remain stable, Munich Re "anticipates that for the financial year 2013 its g