In September, Chief Executive John Lee Ka-chiu unveiled the city’s first five-year plan along with his policy address, highlighting Hong Kong’s strategic role in promoting the greater use of the yuan outside mainland China as a key priority. In the last of a four-part series on the internationalisation of the yuan, Lam Ka-sing examines Hong Kong’s push to make the currency part of everyday life – from vending machines and retail payments to government spending and cross-border trade. At Hong...