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Free Yale Education: Social Security

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Financial Theory (ECON 251) - Social Security

Free Yale Education: Dynamic Present Value

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Financial Theory (ECON 251) - Dynamic Present Value

Free Yale Education: Yield Curve Arbitrage

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Financial Theory (ECON 251) -  Yield Curve Arbitrage

Free Yale Education: How a Long-Lived Institution Figures an Annual Budget. Yield

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Financial Theory (ECON 251) - How a Long-Lived Institution Figures an Annual Budget. Yield

Free Yale Education: Shakespeare's Merchant of Venice and Collateral, Present Value and the Vocabulary of Finance

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Financial Theory (ECON 251) - Shakespeare's Merchant of Venice and Collateral, Present Value and the Vocabulary of Finance

Free Yale Education: Irving Fisher's Impatience Theory of Interest

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Financial Theory (ECON 251)- Irving Fisher's Impatience Theory of Interest Building on the general equilibrium setup solved in the last week, this lecture looks in depth at the relationships between productivity, patience, prices, allocations, and nominal and real interest rates. The solutions to three of Fisher's famous examples are given: What happens to interest rates when people become more or less patient? What happens when they expect to receive windfall riches sometime in the future? And, what happens when wealth in an economy is redistributed from the poor to the rich?

Free Yale Education: Present Value Prices and the Real Rate of Interest

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Financial Theory (ECON 251)- Present Value Prices and the Real Rate of Interest Philosophers and theologians have railed against interest for thousands of years. But that is because they didn't understand what causes interest. Irving Fisher built a model of financial equilibrium on top of general equilibrium (GE) by introducing time and assets into the GE model. He saw that trade between apples today and apples next year is completely analogous to trade between apples and oranges today.

Free Yale Education: Efficiency, Assets, and Time

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Financial Theory (ECON 251) - Efficiency, Assets, and Time

Free Yale Education: Calculating Equilibrium in Financial Economies

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Financial Theory (ECON 251) - Computing Equilibrium 

Our understanding of the economy will be more tangible and vivid if we can in principle explain all the economic decisions of every agent in the economy. This lecture demonstrates, with two examples, how the theory lets us calculate equilibrium prices and allocations in a simple economy, either by hand or using a computer. In future lectures we shall extend this method so as to compute equilibrium in financial economies with stocks and bonds and other financial assets.

Free Yale Education: Utilities, Endowments, and Equilibrium

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 Financial Theory (ECON 251) - Utilities, Endowments, and Equilibrium

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