This paper studies the role of speculators in explaining agricultural commodity price movements. The spikes in global agricultural commodity prices in 2007-2008 and 2010 2011 have opened a debate on the contribution of speculation to recent food price volatility. Most academic literature does...

The development of global agricultural market has been at the forefront of professional studies. Expert opinions have quite differing views as to whether the world’s food production will be able to supply (and under what circumstances) the huge demand of growing population. Our paper provides...

The paper presents an analysis of wheat yields variability in the voivodeships of Poland. The main aim of the study was to find out what are the statistical relationships between the wheat yield variability and the following factors: arable area, size of wheat production area, share of arable...

A model of the economic appraisal of flood protection projects using the NPV indicator is presented with a recent enlargements concerning economic valuation of casualties and psychological losses in victims’ well-being. This year’s series of big floods in Poland has made this topic come back...