We use two approaches to examine the macroeconomic consequences of disruptions in global food commodity markets. First, we embed a novel quarterly composite global production index for the four basic staples (corn, wheat, rice and soybeans) in a standard vector autoregression (VAR) model, and we...

Analyzing commodity market dynamics, we observe that price volatility increases with reduced contract duration. In this paper, we derive a theoretical model depicting the price formation in two markets with altering product granularity. Supplemented by empirical evidence from German electricity...

This study investigates the effects of oil price shocks on volatility of selected agricultural and metal commodities. To achieve this goal, we decompose an oil price shock to its underlying components, including macroeconomics and oil specific shocks. The applied methodology is the structural...

Dieser Artikel diskutiert die Gründe der aktuellen Preisverfälle auf Industrierohstoffmärkten, sowie deren volkswirtschaftliche Auswirkungen auf Deutschland und rohstoffexportierende Länder.

Introduction -- The historical framework -- The geography of commodity production and trade -- Comparative advantage and the trade policy distortions -- The fossil fuels -- Price formation and price trends in commodities -- Commodity booms -- The commodity exchanges, commodity investments and...

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...