The introduction or elimination, increase or decrease of taxes and contributions, theoretical and practical, can not ignore the direct and / or underlying effects (collateral) on chain: Financial institutions, Suppliers of inputs, Agricultural producers, En-gross traders, Processing industry,...

The purpose of this paper is to highlight the effects of lack of liquidity in the financial system and profit from uncontrolled migration pathway (in relation producer, processor, merchant bankers, concentration and profit growth in the last links in the chain from producer to end - the...