Former U.K. Chancellor of the Exchequer George Osborne expects to earn 650,000 pounds from 48 days of work for BlackRock Inc., according to parliamentary filings. The Conservative politician, still a backbench lawmaker, expects to earn 162,500 pounds each quarter for 12 days’ work as an economic adviser at the BlackRock Investment Institute in London, according to the Register of Members’ Financial Interests, which details the outside earnings of U.K. legislators.