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Università degli studi di Siena economia e commercio Curriculum economia e management 2016
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  • Exam Structure: The exam comprises four multiple-choice questions (1.5 points each), two detailed exercises (6 points each), a graphical analysis comment (6 points), and two open questions (6 points).
  • Multiple-Choice Questions:
    • Calculates price elasticity of demand (Q = 120 – 3P at P = 20).
    • Analyzes the impact of a production ban on the demand curve.
    • Determines market supply for 100 identical firms (each supplying 10 units at any price).
    • Calculates producer surplus (market supply P = 5 + Q at P = 10).
  • Exercise 1 (Monopoly): Examines a single bakery with cost function TC = 605 + 20Q + 3Q² and demand P = 240 – 2Q. Tasks include drawing curves, calculating profit, identifying equilibrium, and determining the socially optimal quantity.
  • Exercise 2 (Perfect Competition): Focuses on the market for diving tanks (Q = 200 – P) with 20 identical firms (TC = 10 + 20q + 5q²). Tasks involve calculating equilibrium price and quantity, and total producer surplus.
  • Graphical Analysis (Intertemporal Choice): Interprets a graph showing Julia's consumption choices under different interest rates (10% and 78%) with income in period 2. Explains how her choices vary.
  • Open Questions (Market Failure):
    • Explains the meaning of market failure, describes its four main causes, and discusses possible solutions.
    • Requires providing an example of market failure and proposing a solution.

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