Perfect markets achieve efficiency: maximizing total surplus generated. But real markets are imperfect. In this course we will explore a set of market imperfections to understand why they fail and to explore possible remedies including as antitrust policy, regulation, government intervention. Examples are taken from everyday life, from goods and services that we all purchase and use. We will apply the theory to current events and policy debates through weekly exercises. These will empower you to be an educated, critical thinker who can understand, analyze and evaluate market outcomes.
1.3.2: Perfect Competition: Firm Entry When Profits are Negative
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您將學習的技能
Externality, Economics, Microeconomics, Market (Economics)
審閱
DV
Oct 24, 2018
Love how the videos were brief, but informative. Very helpful class and exams weren't overly complicated. In the end, I felt as though I retained much of the knowledge.
AM
Apr 05, 2020
In the beginning, it started to clear out my basics. As we got closer to the end of the course, it related the theoretical knowledge gained to the practical scenario.
從本節課中
Costs and Profits + Perfect Competition
In the first part of the course we learnt that if we allow market forces to work we reach an efficient outcome: the maximum benefit that can be generated by a market. The second part of the course explores cases where the markets fail to accomplish our goals. This week sets up the benchmark case of the perfectly competitive market: a model we will modify in the next few weeks. We define Perfect Competition, learn to model it graphically and discuss some key results in terms of long run profits and implications for efficiency.
教學方
Rebecca Stein
Senior Lecturer
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