solow model, Macroeconomics

Assignment Help:
Q1. The poorest countries in the world have a per capita income of about $600 today.
We can reasonably assume that it is nearly impossible to live on an income below half
this level (i.e., below $300). Per capita income in Australia in 2010 was about $60,000.
With this information in mind, consider the following questions.
(a) For how long is it possible that per capita income in Australia has been growing
at an average annual rate of 2% per year? (2 points)
(b) Some economists have argued that growth rates are mismeasured. For example, it
may be difficult to compare per capita income today with per capita income a
century ago when so many of the goods we buy today were not available at any
price. Suppose the true growth rate in the last two centuries was 3% per yearrather than 2%. What would the level of per capita income in 1850 have been in
this case? Is this answer plausible?



Q3. In this question, we are going to do some “normative” economics (i.e., “what ought
to be”) instead of “positive” economics (i.e., “what is”). Specifically, we will examine
whether the six countries in Q2 are investing too little or too much for the benefits of
their future generations. For this question, again consider the Solow model with labour
share of 2/3rds.
(a) Show mathematically that steady-state consumption per capita can be expressed
as c* = A(k* )1/3 - dk* . Show your workings. (2 points)
(b) Maximize steady-state consumption with respect to steady-state capital per
capita—i.e., solve for ?c*
?k* using the chain-rule in calculus that ?y
?x
= axa-1 for a
function y = xa . Denote the steady-state level of capital per capita that maximizes
steady-state consumption per capita as kGR , where GR denotes “Golden Rule”
(see below). What is kGR as a function of the productivity parameter and the
depreciation rate? (2 points)
(c) Noting that steady-state capital will always be k* =
sA
d
!
" #
$
% &
3/2
for this model (why?),
what s will maximize steady-state consumption (i.e., what value for s will make
k* equal to the steady-state capital per capita that you solved in part (b))? (2
points)
(d) Macroeconomists refer to the value of s solved for in part (c) as the “Golden
Rule” (i.e., “Do unto others,…”) investment rate. The idea is that investment at
this rate will maximize consumption for future generations. Meanwhile, a lower
investment rate means that households are consuming more today at the expense
of future generations, while a higher investment rate means that all generations
are investing too much and not enjoying consuming enough of the fruits of their
labours. Based on the solution in part (c) and the investment rates in Q2, which
countries are investing too little, too much, or just right, at least according to the
Solow growth model and the Golden Rule investment rate? (2 points)

Related Discussions:- solow model

INFLATION-UNEEMPLOYMENT TRADE-OFF UNDER ADAPTIVE EEX, Explain how inflation...

Explain how inflation unemployment trade-off is not feasible under adaptive expectation.MEC002

Help, i want an answer for my q Question 3 (5 marks) Most studies of firm...

i want an answer for my q Question 3 (5 marks) Most studies of firms’ long run costs have found that average costs decline as firms produce increasingly larger output levels (eco

Pseudoreplication, Give your own example of "pseudoreplication" (sensu Hurl...

Give your own example of "pseudoreplication" (sensu Hurlbert 1984) in an experiment. How does pseudoreplication cause problems for correct inferences from experiments?

Newspaper vending machines, Newspaper vending machines are designed so that...

Newspaper vending machines are designed so that once you have paid for one paper; you have access to all the papers in the machine and could take multiple papers at a time. However

Geometric gradient series, Determine the present worth of a geometric gradi...

Determine the present worth of a geometric gradient series with a cash flow of $50,000 in year 1 and increases of 6% each year through year 8. The interest rate is 10% per year.

Liquidity preference theory, Explain clearly the liquidity preference theo...

Explain clearly the liquidity preference theory of interest propounded by j.m.keynes

General principles of marginal and average total cost curves, What are the ...

What are the general principles about marginal and average total cost curves? General principles which are always true concerning a firm’s marginal and average total cost curve

Supply curve goes through the point, If a supply curve goes through the poi...

If a supply curve goes through the point P = $10 and Qs = 320, then a. $10 is the highest price that will induce firms to supply 320 units b. $10 is the lowest price that wil

The demand curve , A sporting goods store has estimated the demand curve fo...

A sporting goods store has estimated the demand curve for a popular brand of running shoes as a function of price. Use the diagram to answer the questions that follow. a.

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd