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  • 3D Economics

    by Hak Choi ...
    Series Book 1 - Profit Economics Series
    Up till now, Economics is written in p-q 2 dimensions. This book includes the space variable and makes Economics 3-dimensional. It then overhauls all economic theories, especially the competition theories: monopoly demand is more elastic, colluded duopoly covers the whole market; kinked demand is redundant; etc.This book is suitable for courses like Microeconomics, Customer Relation Management, ... Read more

    $3.33 CAD or Free with Kobo Plus

  • Re-explaining Ohlin

    by Hak Choi ...
    Series Book 121 - Profit Economics
    Bertil Ohlin was dissatisfied with Ricardo’s use of only labor to explain international trade, so he introduced other inputs, such as land. In place of comparative advantage, he used input abundance and intensity to explain trade. Jones, Kemp, and Rybczynski tried to interpret factor abundance and intensity using Ricardo’s production possibility curve (PPC). Naturally, they ended up with the same ... Read more

    $3.33 CAD or Free with Kobo Plus

  • Business Cycle: Untold

    by Hak Choi ...
    Series Book 29 - Profit Economics Series
    What is business cycle? It is economic forecast. Forecasting is fortune telling; it is superstition; it is not science. This book reveals the true face of several great economic forecast models. ... Read more

    $3.33 CAD or Free with Kobo Plus

  • A Simple Public Good Pricing Policy

    by Hak Choi ...
    Utility companies are monopolistic, but they must produce at full capacity. Therefore, they are unable to pursue maximum profits by textbook standards. Also, when faced with peak and off-season demand, many ot them choose to implement price differentiation. Were it not for their exclusive position, such behavior would be self-destructive. This book devises a simple utility pricing policy that ... Read more

    $3.33 CAD or Free with Kobo Plus

  • Disproving Pareto’s Contract Curve Geometrically

    by Hak Choi ...
    Series Book 119 - Profit Economics
    Pareto's contract curve is a geometric concept. This booklet disproves it geometrically. There are two conditions for its existence: the Edgeworth Box must be a square, and the isoquants must be symmetric. Since upholding both conditions simultaneously is impossible, existing contract curves are fabrications. ... Read more

    $3.33 CAD or Free with Kobo Plus

  • Disproving Pareto’s Contract Curve Mathematically

    by Hak Choi ...
    Series Book 120 - Profit Economics
    Pareto’s contract curve is a geometric concept; consequently, many textbooks supplement it with mathematical justification. This booklet disproves such mathematics. It argues that treating two antagonistic firms as a single entity is flawed, and that maximizing an ever-increasing objective can never yield a solution. Furthermore, this paper clarifies that output is a third-dimensional measure; ... Read more

    $3.33 CAD or Free with Kobo Plus

  • Central Bank: Untold

    by Hak Choi ...
    Series Book 28 - Profit Economics Series
    This book proves that central bank is not a bank, it does not earn any money, but fabricates only false account. Many people think central bank is almighty. They expect it to rescue the economy, earn money for its government and control inflation, etc. Actually, it is capable of nothing. ... Read more

    $3.33 CAD or Free with Kobo Plus

  • Risk & Game

    by Hak Choi ...
    Series Book 30 - Profit Economics Series
    What is game? What is game theory? What is bargaining? What is risk? What is uncertainty? What is expected utility? What is moral hazard? How to cheat in game or in insurance? This book overturns many traditional views on these issues, and derives new method to play game, to bargain, to cheat and to protect against cheating. ... Read more

    $3.33 CAD or Free with Kobo Plus

  • Toward a General Theory of Monopoly

    by Hak Choi ...
    Series Book 116 - Profit Economics
    This book develops a new monopoly theory based on Hotelling’s cage model. The new single-seller model—more pragmatically—assumes a positive production cost, yet the firm can impose any price on its consumers. The monopolist holds consumers captive through geographical means or other barriers, rendering their demand curve practically vertical. Although the monopolist can abuse the price policy, ... Read more

    $3.33 CAD or Free with Kobo Plus

  • The Extra Profit Paradox

    by Hak Choi ...
    Series Book 118 - Profit Economics
    Consider an ore mine owned by A, and a manufacturer, B, that requires ore. Initially, A and B cooperate competitively. Subsequently, Robinson urges A to charge B a higher monopoly price to obtain some extra profit. In response, Bowley urges B to pay A only the lower monopsony price to obtain some other extra profit. Finally, Bowley suggests that A and B form a bilateral monopoly to split a bigger ... Read more

    $3.33 CAD or Free with Kobo Plus

  • FinTech: The Magical Wealth Multiplier

    by Hak Choi ...
    Series Book 62 - Profit Economics Series
    Modigliani and Miller (1958) advocated more borrowing for higher rate of return. This paper uses FinTech to update their theorem. It also proves that FinTech’s multiplier is more magical than the deposit one. ... Read more

    $3.33 CAD or Free with Kobo Plus

  • How to Profitably Raid a Company

    by Hak Choi ...
    Series Book 61 - Profit Economics Series
    Merger & Acquisition can enlarge a business to take advantage of the so-called economies of scale, but there is another conspiracy. This book teaches you how to raid a company, poor or rich, and even your own company. But if you don’t want to be a raider, do you still buy or keep those stocks? ... Read more

    $3.33 CAD or Free with Kobo Plus