Seit einiger Zeit gibt es eine sehr intensive Diskussion über die Wirkungen von Spekulationen mit Rohstoffen, insbesondere Agrarrohstoffen. Der vorliegende Aufsatz untersucht dies auf der Basis des aktuellen Forschungsstands. Zahlreiche Studien zeigen, dass sich mit Hilfe der Ökonometrie weder...

In this paper we examine the effects of media coverage of commodity prices increases and decreases on the price of the commodity and how media coverage in other commodities affects prices. We provide evidence of the relationship between media coverage and its intensity to the price level of...

This paper evaluates how different types of speculation affect the volatility of commodities' futures prices. We adopt four indexes of speculation: Working's T, the market share of non-commercial traders, the percentage of net long speculators over total open interest in future markets, which...

Commodity-equity and cross-commodity return co-movements rose dramatically after the 2008 financial crisis. This development took place following what has been dubbed the 'financialization' of commodity markets. We first document changes since 2000 in the intensity of speculative activity in...

The term 'financialization' describes the phenomenon that commodity contracts are traded for purely financial reasons and not for motives rooted in the real economy. Recently, financialization has been made responsible for causing adverse welfare effects especially for low-income and low-wealth...

The term `financialization' describes the phenomenon that commodity contracts are traded for purely financial reasons and not for motives rooted in the real economy. Recently, financialization has been made responsible for causing adverse welfare effects especially for low-income and low-wealth...

In der Juniausgabe 2015 veröffentlichte der Wirtschaftsdienst einen Aufsatz von Christian A. Conrad über "Die Auswirkungen der Spekulation mit Nahrungsmitteln und Rohstoffen". Nach einer Replik von Ingo Pies hierzu eine Erwiderung von Christian A. Conrad.

This paper analyses futures prices for four energy commodities (light sweet crude oil, heating oil, gasoline and natural gas) and five agricultural commodities (corn, oats, soybean oil, soybeans and wheat), over the period 1986-2010. Using CCC and DCC multivariate GARCH models, we find that...

In a well-functioning futures market, the futures price at expiration equals the price of the underlying asset. This condition failed to hold in grain markets for most of 2005-10. During this period, futures contracts expired up to 35% above the cash grain price. We develop a rational...