<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31310173</termId><termName>economic rent</termName><termType>PT</termType><termNote><![CDATA[ Rate of rent which is sufficient to cover all costs of maintenance and operation of a building and, in addition, yield a reasonable return on the investment of the owner. ]]></termNote><termCreatedDate>2026-03-30 20:23:33</termCreatedDate><relation><relationType>UF</relationType><termId>31310174</termId><termName>rent, economic</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31300574</termId><termName>rent</termName><termType>PT</termType></relation></term>  </Zthes>