Final answer:
The Classical School of economic thought emphasizes the concept of the 'invisible hand of the market' for efficient resource allocation.
Explanation:
The school of economic thought that focuses on the idea of the 'mano invisible del mercado' (invisible hand of the market) and the importance of competition for efficient resource allocation is the Escuela Clásica (Classical School). This school of thought is associated with economists such as Adam Smith, who introduced the concept of the invisible hand in his work 'The Wealth of Nations'.
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