<Population and Economic Growth>
Problem Set 3
Modern Homo sapiens emerged roughly 100,000 years ago. Assuming that originally
there were just 2 Home sapiens and that today there as 7 billion, what has the average
growth rate of the population been?
Problem Set 5
Suppose a countrys physical and human capital both quadruple over the course of 50 years,
and output increases by a factor of eight, by what factor does productivity increase during
this time (assuming the capita
<The Role of Technology in Growth>
Problem Set 6
Consider a country described by the one-country model of technology and
growth. Suppose that the country temporarily raises the level of its fraction of
labor force engaging in R&D ( ). Draw graphs show
Problem Set 8
For each of the following government actions, explain what market failure does the
policy address (public goods, externalities, monopolies, or coordination failure). Does
the policy stimulate economic growth?
(a) In 238 B.C.
<Geography, Climate, and Natural Resources>
Problem Set 10
How does globalization change the relationship between a countrys natural
resources and its level of income per capita? Explain and provide some specific
How does globalization c
Problem Set 9
In a certain country, the population consists of five green people and five blue people.
Each green person has an income of $1 per year. Each blue person has an income of $3
(a) Draw a Lorenz curve for this
<Growth in the Open Economy>
Problem Set 7
Give an intuitive explanation as to why higher saving rates are not associated
with higher levels of GDP in an economy with perfect capital mobility, but they
are in a closed economy. Does this mean that if y
Problem Set 4
Suppose that an effective vaccine against malaria were invented. Using the
following figure, describe the vaccines effect on both health and income.
Suppose that we are comparing two countries, i and j, that are simil
<The Facts to be Explained& A Framework for Analysis>
Problem Set 1
Country A had a GDP of 100 million in the year 2000, while country B had a GDP
of only 10 million. If country A's GDP is growing at an annual rate of 3%, and
country B's GDP grows at
Problem Set 2
A country is described by the Solow model, with a production function of = / .
Suppose that k is equal to 900. The fraction of output invested is 50%. The depreciation
rate is 10%. Is the country at its steady-state le