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Neoclassical economics is a foundational approach in economics that emerged from the marginal revolution of the late 19th century. It emphasizes how individuals and firms make decisions to maximize their objectives, primarily focusing on price competition. This school of thought replaced the labor theory of value with the concept of marginal utility, analyzing how consumers choose goods based on the satisfaction derived from an additional unit.12

Key tenets include the idea that prices are determined by both supply and demand, and that factors of production (labor, capital, land) are compensated based on their marginal productivity. While neoclassical economics provides a framework for understanding pricing and competition, critics note it often overlooks other forms of competition like quality and advertising, and the complex structures of business enterprises. It also assumes constant returns to scale, which may not always hold true in reality.132

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