Microeconomics
Microeconomics
11th Edition
ISBN: 9781260507140
Author: David C. Colander
Publisher: McGraw Hill Education
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Chapter 21, Problem 1QE
To determine

Model and changes from reality.

Expert Solution & Answer
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Explanation of Solution

Economy is an actual world, which includes the individuals and set of many laws and regulations that determines the relations between the individuals. The testing of any economic theory in the actual world is very difficult because of the wide diversity in the economy. This is handled through the introduction of the economic models.

The economic model is a theoretical construct with a set of variables and set of relationships between the variables. This theoretical construct represents the abstract of the economy. Since the model is only an abstract, it would not show all the characteristics and details of the real economy whereas it highlights the features that are important to the economy.

The best example for the model is the globe. It shows the main highlights about the continents and the design and scalar size of the seas and oceans but is not as perfect representation of the original. Another example includes the roadmaps and model of human organs.

Economics Concept Introduction

Economic model: Economic model is an abstract of the reality, which explains the economy through a set of theoretical construct of set of variables and set of relations between the variables.

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Without Trade Production Consumption With Trade Production Everglades Denali Shorts (Millions of Almonds Shorts Almonds pairs) (Millions of pounds) (Millions of pairs) (Millions of pounds) 12 16 5 30 12 16 5 30 64 0 0 20 Trade action Imports 13 ▼ Exports 39▾ Imports 13 ▼ Exports 39 Consumption Gains from Trade Increase in Consumption
Practice: Their labor forces are each capable of supplying four million hours per week that can be used to produce shorts, almonds, or some combination of the two.  Country Shorts Almonds (Pairs per hour of labor) (Pounds per hour of labor) Everglades 4 16 Denali 5 10   Suppose that initially Denali uses 1 million hours of labor per week to produce shorts and 3 million hours per week to produce almonds, while Everglades uses 3 million hours of labor per week to produce shorts and 1 million hours per week to produce almonds. As a result, Everglades produces 12 million pairs of shorts and 16 million pounds of almonds, and Denali produces 5 million pairs of shorts and 30 million pounds of almonds. Assume there are no other countries willing to engage in trade, so, in the absence of trade between these two countries, each country consumes the amount of shorts and almonds it produces. Everglades's opportunity cost of producing 1 pair of shorts is4 pounds   of…
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