What are the Disadvantages of Subsidies in the Market?

-Difficult to put a Value on the Benefit of the Positive Externality -Subsidies have an Opportunity Cost -Subsidies can lead to Producers less Efficient and more Reliant - Less Innovation to Reduce Costs -This is dependent [The Effectiveness] on the Elasticity of Goods. Inelastic Goods does naught -Subsidised Goods may not be as Good as the Goods they want to Replace, so therefore it may be Wasted