The lingering effects of the credit crunch on aviation investment are well documented. Now the Bank for International Settlements is warning that the European sovereign debt crisis could be a repeat of the US subprime mortgage debt crisis, pointing to a global loss of investor confidence that has impacted on market volatility over the past three months. But despite the deterioration in market sentiment and the rapid spread of difficulties from one area to another, the airport sector continues to attract investment, as a new CAPA-sponsored report highlights.