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Modelling and measuring price discovery in commodity markets

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dc.affiliation.dptoUC3M. Departamento de Economía de la Empresaes
dc.contributor.authorFiguerola-Ferretti, Isabel
dc.contributor.authorGonzalo, Jesús
dc.contributor.editorUniversidad Carlos III de Madrid. Departamento de Economía de la Empresa
dc.date.accessioned2007-05-08T18:19:02Z
dc.date.accessioned2008-12-03T13:34:23Z
dc.date.available2007-05-08T18:19:02Z
dc.date.available2008-12-03T13:34:23Z
dc.date.issued2007-05
dc.description.abstractIn this paper we present an equilibrium model of commodity spot (St) and future (Ft) prices, with finite elasticity of arbitrage services and convenience yields. By explicitly incorporating and modeling endogenously the convenience yield, our theoretical model is able to capture the existence of backwardation or contango in the long-run spot-future equilibrium relationship, (St-ß2Ft ). When the slope of the cointegrating vector ß2>1 (ß2<1) the market is under long-run backwardation (contango). It is the first time in which the theoretical possibility of finding a cointegrating vector different from the standard ß2=1 is formally considered. Independent of the value of ß2, this paper shows that the equilibrium model admits an Error Correction Representation, where the linear combination of (St) and (Ft) characterizing the price discovery process, coincides with the permanent component of the Gonzalo-Granger (1995) Permanent-Transitory decomposition. This linear combination depends on the elasticity of arbitrage services and is determined by the relative liquidity traded in the spot and future markets. Such outcome not only provides a theoretical justification for this Permanent-Transitory decomposition? but it offers a simple way of detecting which of the two prices is dominant in the price discovery process. All the results produced in this article are testable, as it can be seen in the application to spot and future non-ferrous metals prices (Al, Cu, Ni, Pb, Zn) traded in the London Metal Exchange (LME). Most markets are in backwardation and future prices are ?information dominant? in the most liquid future markets (Al, Cu, Ni, Zn).
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dc.identifier.repecwb074510
dc.identifier.urihttps://hdl.handle.net/10016/758
dc.language.isoeng
dc.language.isoeng
dc.relation.hasversionhttp://hdl.handle.net/10016/15951
dc.relation.hasversionhttp://hdl.handle.net/10016/15910
dc.relation.ispartofseriesUC3M Working papers. Business Economics 07-10
dc.rightsAtribución-NoComercial-SinDerivadas 3.0 España
dc.rights.accessRightsopen access
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.subject.ecienciaEconomía
dc.subject.ecienciaEmpresa
dc.subject.jelC32
dc.subject.jelC51
dc.subject.jelG13
dc.subject.jelG14
dc.subject.otherBackwardation
dc.subject.otherCointegration
dc.subject.otherCommodity markets
dc.subject.otherContango
dc.subject.otherConvenience Yield
dc.subject.otherFuture prices
dc.subject.otherPrice discovery
dc.subject.otherPermanent-transitory decomposition
dc.titleModelling and measuring price discovery in commodity markets
dc.typeworking paper*
dspace.entity.typePublication
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