Principles of Macroeconomics (MindTap Course List)
Principles of Macroeconomics (MindTap Course List)
8th Edition
ISBN: 9781305971509
Author: N. Gregory Mankiw
Publisher: Cengage Learning
Question
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Chapter 2, Problem 1CQQ
To determine

The definition of an economic model.

Expert Solution & Answer
Check Mark

Answer to Problem 1CQQ

Option “c” is correct.

Explanation of Solution

Option (c):

The economic model can be defined as the simplified representation of some aspects of an economy or a simplified framework of a real, complex world. The economist uses the models for the generation of different economic ideas, new concepts, formulation of new principles, solving the questions in the economy, forecasting demand patterns, and so forth. Sometimes, economists use an existing model to analyze a real world problem or issues, but in other cases, they have to develop new models. Thus, option “c” is correct.

Option (a):

An economic model is not a mechanical machine that replicates the functioning of the economy but is just model of a real situation of economy that is made by an economist. Thus, option “a” is incorrect.

Option (b):

An economic model is not a fully-detailed, realistic description of the economy,  as it is a representation of a real, complex situation. But, it can’t describe the reality precisely. Thus, option “b” is incorrect.

Option (d):

A model is not a computer program for predicting the future of the economy. It is a small, simplified version of different economic aspects. Thus, option “d” is incorrect.

Economics Concept Introduction

Concept introduction:

Economic model: Economic models are the simplified versions of reality used to analyze real-world economic situation and issues.

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Students have asked these similar questions
Tasks Exercise 1 Assess the following functions: 1. f(x)= x2+6x+2 2.f '(x)=10x-2x2+5 a. Find the stationary points. (5 marks) b. Determine whether the stationary point is a maximum or minimum. (5 marks) c. Draw the corresponding curves (5 marks)
Problem 2: The sales data over the last 10 years for the Acme Hardware Store are as follows: 2003 $230,000 2008 $526,000 2004 276,000 2009 605,000 2005 328,000 2010 690,000 2006 388,000 2011 779,000 2007 453,000 2012 873,000 1. Calculate the compound growth rate for the period of 2003 to 2012. 2. Based on your answer to part a, forecast sales for both 2013 and 2014. 3. Now calculate the compound growth rate for the period of 2007 to 2012. 1. Based on your answer to part e, forecast sales for both 2013 and 2014. 5. What is the major reason for the differences in your answers to parts b and d? If you were to make your own projections, what would you forecast? (Drawing a graph is very helpful.)
Exercise 4A firm has the following average cost: AC = 200 + 2Q – 36                                                                              Q Find the stationary point and determine if it is a maximum or a minimum.b. Find the marginal cost function.
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