The locution ארץ ירשלים may reflect the situation prevalent in the
author's days, in which the district of Jerusalem and the surrounding area
formed a distinctive administrative unit. (Devorah Dimant, Qumran Cave 4
XXI: Parabiblical Texts, Part 4: Pseudo-Prophetic Texts [Discoveries in the
Judaean Desert 30; Oxford: Clarendon Press, 2001], 161)