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ECON 3900 Exam I - Fall 2005, Exams of Economics

Questions from an economics exam held in fall 2005 for the course econ 3900. The exam covers various topics including microeconomics, macroeconomics, and economic calculations. Questions include completing tables, calculating unemployment numbers, determining output levels, and answering true or false statements.

Typology: Exams

Pre 2010

Uploaded on 08/30/2009

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EXAM I
ECON 3900
FALL 2005
NAME (PRINT):
Part I
1) (20%) Simply complete the rest of the table below
*Where
w’s
represent
the
weight of
the
product
in the
expenditures basket.
**Assume accuracy up to 1/1000
2) (10%) Consider the following economy:
Population: 1000000
Adult population: 850000
Level of employment: 540000
Unemployment rate: 10%
What is the number of the unemployed?
Year Px Py
Price
Index** Inflation
w* = 0.40 w=0.60 use year 2
as base
year
1 10 5
2 12 5
3 13 6
4 13 7
5 12 8
pf3
pf4

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EXAM I

ECON 3900

FALL 2005

NAME (PRINT):

Part I

  1. (20%) Simply complete the rest of the table below *Where w’s represent the weight of the product in the expenditures basket. **Assume accuracy up to 1/
  2. (10%) Consider the following economy: Population: 1000000 Adult population: 850000 Level of employment: 540000 Unemployment rate: 10% What is the number of the unemployed? Year Px Py Price Index Inflation** w* = 0.40 w=0. use year 2 as base year 1 10 5 2 12 5 3 13 6 4 13 7 5 12 8
  1. (30% - each part accounting for 5%) Assume the following information about an economy: Employment level: L = 90, Physical Capital level: K = 10, Level of output is determined based on the following production function: Y(L,K) = (L^0.5)*(K^0.5) Consumption function is given as: C = 2000 + 0.75 (Y-T) Where T represents taxes Investment is governed by the following relationship: I(r) = 5000 – 500 r Government spending: G = 5000 Taxes: T = 5000 a) What is the level of output at the capacity of the economy? b) What is the level of national saving? c) What is the equilibrium real interest rate? d) What is the marginal product of labor at the capacity level of output? e) What would be the real interest rate if the level of government spending increased to 6000 (nothing else changes but G = 6000)? f) What would be to the real interest rate if both, G and T were set to 6000?

Short Answers:

  1. (10%) In the late summer of 2003 the unemployment rate decreased in the US, while the job creation remained negative. Can you explain this paradox?