<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/schema/zthes-1.0.dtd">  <Zthes><term><termId>1824</termId><termName>OFERTA Y DEMANDA</termName><termType>PT</termType><termLanguage>es-ES</termLanguage><termVocabulary>TESAURO DE MATERIAS DE SERBIULA</termVocabulary>	<termStatus>active</termStatus>	<termApproval>approved</termApproval>	<termSortkey>OFERTA Y DEMANDA</termSortkey><termCreatedDate>OFERTA Y DEMANDA</termCreatedDate><termModifiedDate>2015-02-09 06:02:56</termModifiedDate><relation><relationType>UF</relationType><termId>12236</termId><termName>Demanda y oferta</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>193</termId><termName>ECONOMÍA</termName><termType>PT</termType></relation><relation><relationType>BT</relationType><termId>12235</termId><termName>PROTECCIONISMO</termName><termType>PT</termType></relation><relation><relationType>BT</relationType><termId>1819</termId><termName>LIBRE COMERCIO</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>1777</termId><termName>CONSUMO (ECONOMIA)</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>3236</termId><termName>DEMANDA (TEORIA ECONOMICA)</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>1785</termId><termName>ECONOMIA DE OFERTA</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>996</termId><termName>PRECIOS</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>3237</termId><termName>PRODUCCION (TEORIA ECONOMICA)</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>11140</termId><termName>RACIONAMIENTO</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>1836</termId><termName>SUPERPRODUCCION</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>1838</termId><termName>VALOR (ECONOMÍA)</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>966</termId><termName>CAMBIO</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>9005</termId><termName>COMPRAVENTA</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>996</termId><termName>PRECIOS</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>30822</termId><termName>COMPETENCIA (ECONOMIA)</termName><termType>PT</termType></relation></term>  </Zthes>