Elsewhere, there are problems too, because Africa and much of Latin America depend on commodity exports, and Russia on energy.
It depends on commodity prices, technology, the cost of transport, and any number of other dynamic variables.
Many emerging markets depend on commodity exports, and growth and prosperity in the emerging economies also drive trade amongst them.
In addition, assumptions about how demand for different commodities depends on commodity price (the so-called elasticity factors) are of great importance and vary significantly among the models.
Mongolia's mining boom depends on commodities demand from China, whose economy has slowed this year.
"The key is beyond the science, climate change disrupts every aspect of the global economy including supply chains, global commodities, and the insurance industry which is seeing exponentially larger losses because of the weather," Lubber said.... " Smart companies who have to depend on commodities are starting to care more and more about climate change.
With growing demands for sustainably produced agricultural produce for environmental, social and food safety reasons, the use and recycling of organic matter is becoming inevitable, particularly for the export market, which depended on commodities such as coffee.
Many sub-Saharan countries depend on one commodity, such as oil or gold, so country currencies can go up and down with the value of that commodity, which can damage the underlying economies.
And they depend on one commodity that is not immediately evident from the current state of Holyrood-Westminster relations: a mutual desire for co-operation and stability.
Because each futures contract is highly leveraged (by a factor of between ten and 20 depending on the commodity and the margin requirement) and is available only in incremental units specified by the commodity exchange (5000 bushels for grains and oilseeds, for example), a modest change in basis can generate a much larger change in cash requirements for margin calls.
