Economics Commentary. This article describes changes to the EU Common Agricultural Policy (CAP) and the different views to these changes. It deals with the economic principles of minimum prices, subsidies and buffer stocks.

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This article describes changes to the EU Common Agricultural Policy (CAP) and the different views to these changes. It deals with the economic principles of minimum prices, subsidies and buffer stocks.

The Common Agricultural Policy (CAP) is an example of a minimum price buffer stock scheme for agricultural products to prevent a “market crisis”. A minimum price is a guaranteed level of price for goods and services. The aim of a minimum price is to ensure that producers of goods and services with fluctuating prices have stable incomes. The high prices also encourage production. Subsidies are also given to farmers. These are “handouts to farmers” that increase supply by decreasing operating costs. This causes Supply to shift outwards. This creates a surplus (the quantity from Q1 to Q2). The EU eliminates this by buying up surplus. This shifts demand outward, creating a new equilibrium at the minimum price. An example diagram for wheat is shown on the right.

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The EU stores the surplus as a buffer stock. When there is a supply shortage, they can release some of the surplus into the market. This allows the EU to stabilise prices in the event of an exogenous shock. Stability is created because prices and supply will always be constant through government manipulation of demand and supply. This allows for easier planning in relation to foodstuffs.

Despite the advantages brought from the CAP, there are many disadvantages.

Agricultural products are perishable, and need to be stored carefully. This is very expensive. If EU sold the surplus ...

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