Erratum to Sharp Bounds and Simple Approximations for the Erlang Delay and Loss Formulas (Vol. 34, No. 8 (August 1988), pp. 959-972.)

In a futures market with a daily price‐limit rule, trading occurs only at prices within limits determined by the previous day's settlement price. Price limits are set in dollars but can be expressed as return limits. When the daily return limit is triggered, the true equilibrium futures return...