Rationality

Competitive and Complete Markets

Competitive and Complete Markets Read Post »

Let us discuss the nature of competitive and complete markets in economics. A competitive market is characterized by multiple buyers and sellers who have no control over market prices. Conversely, a complete market involves trade in all possible goods with no future price uncertainty. While both types feature many market participants, they differ substantially regarding certainty about future prices. Markets play a crucial societal role, contributing to efficient resource allocation and allowing freedom of choice. However, market failures like externalities and information asymmetry drive the need for appropriate regulation.

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Preferences and Utility Theory

Preferences and Utility Theory Read Post »

Preferences and utility theory are critical concepts in microeconomics, explaining household decision-making behavior. Preferences refer to how households make choices necessary to satisfy their needs when comparing bundles of goods. Utility theory uses mathematical concepts to express these preferences and elucidate household satisfaction levels. Rational preferences must meet completeness, transitiveness, continuity, convexity, and monotonousness. Various preferences exist, including substitutes, complements, perfect and imperfect substitutes, and perfect compliments. Preference and utility theory ultimately help derive the formal opportunity costs of alternatives in household theory.

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