Residential mortgage-backed securities origination in Italy could be about to receive a boost with the entrance of international banks establishing prime residential platforms. SG and Macquarie are two names that are looking into the possibility. The attraction is the relatively attractive margin achievable on loans compared with France, Germany, the Netherlands and, of course, the UK. In the UK there are already several established players in both the prime and sub-prime space but there too Deutsche Bank is building a sub-prime platform.