Eliminates the "market" the food shortage?
According to neoclassical doctrine, it should actually work quite simply: increasing demand leads to a higher price, which in turn leads to an incentive for more production. In reality, however, only the first part of the model has worked like a textbook.
Investment in the food industry is actually increasing – partly because financial assets have been largely discredited by the banking crisis. Now a lot of speculators’ money is going into soy, corn, rice, wheat or sugar instead. The prices of the products listed in the index sp gsci agriculture total return listed agricultural products rose 45 percent in one year. With cocoa certificates, investors were able to record a price increase of more than 43 percent in 2008 alone; for wheat, this figure was 35 percent and for rice, 30 percent. Because speculators orient themselves only conditionally at the demand, but all the more at the behavior of other speculators, there is even the possibility of a "bubble formation".