1. Consider a heterogeneous labor economy with a population L = 100. The raw productivity z of individuals is uniformly distributed on the continuum [100, 120]. There are two cities, which we term 0 and 1. Assume that city O is the low skill city, populated by skill types [100, ž] and city 1 is populated by high skill types [ž, 120] , where ž is a boundary skill type that receives equal utility in either city. Let zc denote the simple average of the skill types present in city c. Let the output of skill type z in city c be given as yez = z (žcL)º.051. Let the rent in city c be given as re = 45LO135. Utility is output net of rent, so for person z in city c is Ucz = Ycz - re. A. How do we define spatial equilibrium in this problem? B. In equilibrium, what proportion of the total population is in cities 0 and 1 respectively? C. Is the more skilled city also larger? D. Show that for type z > ž that their net income is higher in city 1 than city 0 and vice versa for z < ž. E. What is the median output in each city?

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter2: Systems Of Linear Equations
Section2.4: Applications
Problem 1EQ: 1. Suppose that, in Example 2.27, 400 units of food A, 600 units of B, and 600 units of C are placed...
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1. Consider a heterogeneous labor economy with a population L
uniformly distributed on the continuum [100, 120]. There are two cities, which we term 0 and 1. Assume that city
O is the low skill city, populated by skill types [100, z] and city 1 is populated by high skill types [ž, 120] , where ž
is a boundary skill type that receives equal utility in either city. Let ze denote the simple average of the skill types
present in city c. Let the output of skill type z in city c be given as Ycz = z
given as rc =
100. The raw productivity z of individuals is
(ž,Le)0.051. Let the rent in city c be
45L
A. How do we define spatial equilibrium in this problem?
B. In equilibrium, what proportion of the total population is in cities 0 and 1 respectively?
C. Is the more skilled city also larger?
D. Show that for type z > ž that their net income is higher in city 1 than city 0 and vice versa for z < ž.
E. What is the median output in each city?
0.135
Utility is output net of rent, so for person z in city c is Ucz
= Ycz - rc.
Transcribed Image Text:1. Consider a heterogeneous labor economy with a population L uniformly distributed on the continuum [100, 120]. There are two cities, which we term 0 and 1. Assume that city O is the low skill city, populated by skill types [100, z] and city 1 is populated by high skill types [ž, 120] , where ž is a boundary skill type that receives equal utility in either city. Let ze denote the simple average of the skill types present in city c. Let the output of skill type z in city c be given as Ycz = z given as rc = 100. The raw productivity z of individuals is (ž,Le)0.051. Let the rent in city c be 45L A. How do we define spatial equilibrium in this problem? B. In equilibrium, what proportion of the total population is in cities 0 and 1 respectively? C. Is the more skilled city also larger? D. Show that for type z > ž that their net income is higher in city 1 than city 0 and vice versa for z < ž. E. What is the median output in each city? 0.135 Utility is output net of rent, so for person z in city c is Ucz = Ycz - rc.
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