Browsing by Author "Humphreys, David"
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- ItemInvestor demand and spot commodity prices(ELSEVIER SCI LTD, 2011) Tilton, John E.; Humphreys, David; Radetzki, MarianThe on-going debate over the influence of investor demand on spot commodity prices largely attempts to assess this influence by measuring the growth in investor demand in recent years. Given the serious data problems that plague such analyses, this article pursues another approach in the hope of providing useful insights into the impact of investor demand on spot commodity prices. It focuses on the mechanisms by which investor demand affects spot prices, and in particular on two questions. First, how does an increase in investor demand on the futures markets affect the spot market and spot price? Second, when investor demand is increasing and pushing a commodity's price up, do physical stocks of the commodity also have to be rising, as economists and others widely assume?
- ItemPublic policy and future mineral supplies(2018) Tilton, John E.; Crowson, Phillip C. F.; DeYoung Jr., John H.; Eggert, Roderick G.; Ericsson, Magnus; Guzmán Barros, Juan Ignacio; Humphreys, David; Lagos, Gustavo; Maxwell, Philip; Radetzki, Marian