British lawmakers stepped up calls to lower an outdated inflation measure used for repayments of government bonds, which could reduce payments to investors by 1 billion pounds ($1.28 billion) a year. Inflation-linked bond prices hit a six-day low after lawmakers told statisticians to seek approval from the finance ministry to make the change to the way the Retail Prices Index (RPI) is calculated. The economic affairs committee of Britain’s upper house of parliament said last month that errors in the formula to calculate RPI accounted for 0.3 percentage points of the 0.8 percentage points by which it typically exceeds ... (full story)