There's good reason why New Mexico Educational Retirement Board policies don't give staff the author ...: There may be an issue with the delivery of your newspaper. This alert will expire at NaN. Click here for more info. .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... There’s good reason why New Mexico Educational Retirement Board policies don’t give staff the authority to pick and choose stocks from market-determined index funds. Index mutual funds are generally considered ideal core portfolio holdings for retirement accounts.