Colombia may start relying more heavily on shorter-term debt sales to cover its budget shortfalls, seeking to drive down interest costs after a failed tax-reform push triggered social unrest and sent yields higher. Yields on longer-term bonds fell, Bloomberg News reported. Public Credit Director Cesar Arias, a Finance Ministry official who is in charge of the government’s borrowing, said in an interview that he will begin to discuss with investors whether to scale back the maturities on some of the bonds it sells at auction. “We plan to continue with what we have in terms of the amount,” he said. “What we are beginning to discuss with the market is the optimal duration, given the steepness of the curve and overall investor appetite. My sense is that duration will probably be shorter.” Read more.