Singapore consumers are expected to spend an additional S$1.05 billion (US$815 million) annually in Malaysia’s Johor state once a cross-border rail link connecting the two sides in minutes opens, according to a new study. The study, released on Thursday by the Singapore Business Federation (SBF), the Restaurant Association of Singapore (RAS) and the Singapore Retailers Association (SRA), comes amid concerns from local businesses about cash flowing out to the city state’s northern neighbour,...