Global Input-Output Model (GIOMor"theLeontief model") oftheworldeconomy will berevised andupdated toinclude better indicators ofpollution andenergy use, whichwillfacilitate system-wide analyses ofalternative growth pathsunder various pollution andenergy-use constraints. 12.59Analytical andcomprehensive studies willbeprepared oflong-term socio-economic perspectives oftheworldeconomy, andseveral topic-oriented studies willbecarried outonareasofcommon concern warranting thespecial attention oftheinternational community. Thosestudies willbesupplemented by drawing upontheexisting newindicators beingprepared bytheStatistical Office andthePopulation Division, bythequantitative projection workundertaken in otherpartsoftheUnited Nations system, andbywideconsultations andexchanges withpolicy makers, professional andacademic institutions inthecontext of internationa1 symposia, seminars, expert meetings andround-table discussions that willbeorganized bytheDepartment ofInternational Economic andSocialAffairs. 12.60 During theperiod oftheplan,efforts willbemadetoimprove accessto dataandmodelling systems through localareanetworks forotherpartsofthe United Nations system andtoensure readyaccess forresearchers tootherpartsof theUnited Nations system. SUBPROGRAMME 6.DEVELOPMENT ANDTHEENVIRONMENT (a)Objectives 12.61 Thelegislative authority forsubprogramme 6derives fromGeneral Assembly resolutions 42/186, 42/187, 43/53, 43/182, 43/196 and44/228. 12.62 Environmental problems cutacross arangeofpolicyissues, butare especially rootedinpatterns ofconsumption, natural resource management andthe choices amongalternative technologies intheproduction andtransportation of goodsandservices. Manyinstances ofenvironmental degradation areclearly the consequences ofpoverty andtheabsence ofeconomic growth. Suchgrowthis required tofacilitate structural adaptation inamannerthathelpstoprotect and enhance theenvironment. Otherinstances ofenvironmental damage arethe unintended consequences ofrelentless economic expansion, particularly further industrialization, inmanyofthedeveloped countries. -14-socio-economic information between theUnited Nations andnational research and information centres tothegreatest extent possible. (b)Courseofaction oftheSecretariat 12.57 Withregard topolicy modelling oftheglobal economy, theglobal econometric modelofProject LINKwillcontinue toprovide quantitative analysis of theshort- andmedium-term outlook forexternal debtproblems, commodity price shocks, theimpact ofcloser integration ofmembers ofregional trading blocsetc. Research priorities willinclude thedevelopment ofaframework forbetter analysis ofworldtradeinservices, capital goods, andcommodities, thedevelopment ofmore andbetter models forAfrican, western Asianandleastdeveloped economies, the development ofsatellite models forselected socialindicators, andtheexpansion ofthetimehorizon oftheprojections totheyear2000. 12.58 Withregard topolicy modelling ofenvironmental andresource issues, the Global Input-Output Model (GIOMor"theLeontief mOdel") oftheworldeconomy will berevised andupdated toinclude better indicators ofpollution andenergy use, whichwillfacilitate system-wide analyses ofalternative growth pathsunder various pollution andenergy-use constraints. 12.59Analytical andcomprehensive studies willbeprepared oflong-term socio-economic perspectives oftheworldeconomy, andseveral topic-oriented studies willbecarried outonareasofcommon concern warranting thespecial attention oftheinternational community. Thosestudies willbesupplemented by
**Analysis**
The text discusses the revision and update of a global economic model to include better indicators of pollution and energy use, as well as the preparation of long-term socio-economic perspectives and topic-oriented studies on environmental and resource issues. This suggests that the text is focused on the intersection of economic development and environmental concerns.

**Category**
Economic development, Natural resources and environment