Asian shares slipped to one-month lows on Tuesday as the specter of higher borrowing costs in the United States and slower global economic growth prompted investors to trim their exposure to riskier assets. Focus now turns to consumer and wholesales price data from China later in the day. The OECD said in a report on Monday that global trade flows have fallen dangerously close to levels usually associated with a global recession, although steps taken by China and others should ensure a pick-up in 2016.