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We do not grow old as long as we strive to improve ourselves.

Academy / Finance

#4 Ch4. Producer Theory — Cost Structure and Profit Maximization

May 13, 2026 · OIYO Editorial

Production functions and diminishing marginal product, the anatomy of short-run costs (fixed, variable, marginal, average), the shape of cost curves, long-run average cost and economies of scale, and the MR = MC rule for profit maximization — with shutdown and break-even conditions.

Academy / Finance

#5 Ch5. Market Structures — Perfect Competition, Monopoly & Oligopoly

May 13, 2026 · OIYO Editorial

A comparative analysis of the four market structures — perfect competition, monopolistic competition, oligopoly, and monopoly — including monopoly deadweight loss, the three degrees of price discrimination, and the game theory behind oligopoly behavior.