Questions tagged [input-output]

Input-output models as used by Wassily Leontief.

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6
votes
3answers
246 views

How to deal with a singular Leontiev inverted matrix?

I am currently studying and experimenting the input-output methodology. It is a 1930's method based on national accountings that allows to measure the interindustry flow of good and services. ...
4
votes
1answer
130 views

Where can I find information on relationships between different commodities?

I'm looking for information about relationships between commodities. Essentially, what things do you need to use to produce other things. The info doesn't need to reflect the current state of ...
4
votes
0answers
122 views

Regional disaggregation of a national input-output table

I am trying to disaggregate a "national" input-output table into three regions using Simple Location Quotients (SLQs) and RAS balancing. In particular, I'm trying to use the "Two region logic with ...
3
votes
1answer
220 views

Have social accounting matrices and input output models fallen out of fashion? if so, why?

My perception may be uninformed but 'worldwide' I believe collection of official data on input output tables of economies dont seem to be keeping up with the times. Im aware that compilation of such ...
3
votes
2answers
335 views

What does the Leontief Inverse represent? (Intuitive Meaning or Real World Concept)

I encountered that nobody, even my profs and lecturers so far, has an intuitive way to explain what the Leontief inverse represents. Does somebody here? As most people here would know, it goes: $\ ...
2
votes
2answers
146 views

Optimal Production Input in Relation to Cost Minimization Problem

I was doing my homework and got really confused about how to approach the optimal levels of inputs when there are three variables. My current understanding is that the problem is to solve the ...
2
votes
0answers
203 views

How is Aggregate Supply(Willing) equal to National Income(Actual)?

Acc. to definition of Aggregate Supply It is the total value of final goods and services that the producers are willing to supply in country . Definition of National Income It is the value of ...
1
vote
1answer
2k views

Is the capital-output ratio in developing countries low or high?

For a developing economy, I've seen sources claiming that the capital-output ratio (more commonly known as ICOR) is high (e.g. here and here), while other sources claiming that it's low, like below (...
1
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0answers
9 views

Data for CGE experiments?

Does anyone know of any open-source U.S. data sets in a format appropriate to whole-economy CGE econometric modeling, i.e. data sets covering the entire economy, divided into at least 20 sectors, with ...
1
vote
0answers
39 views

What is the difference between personal consumption expenditure price and PCE quantity?

What is the difference between these two things? How is PCE price different from PCE quantity? Also, I am confused about the difference between PCE quantity and measure of real output. For example, ...
1
vote
0answers
162 views

Relationship Input Distance Function and Output Distance Function

I was wondering if anybody knows how input distance functions (IDF) and output distance functions (ODF) relate to each other. One of the advantages of distance functions over cost and revenue ...
1
vote
0answers
21 views

Evaluate projects'/investments' impact on whole economy

I have 200 ROI investment examples (projects) in a specific industry, say manufacturing of microprocessors. How and what methods can I use to evaluate the impact (GDP, added value, job growth, etc.) ...
0
votes
1answer
62 views

How to prove that a concave production imply that the input requirement sets are convex?

According to page 7 of this slide, "A convex production set Y implies that the associated input requirement set V(y) is convex". How can one go about proving it?
0
votes
1answer
240 views

How to build a Social Accounting Matrix from an Input-Output Table?

I built an Input-Output table (IOT) with the industryXindustry format because I thought it was a building block to build a social accounting matrix (SAM). But now I realize that I can't transpose the ...
0
votes
1answer
2k views

Quasi Fixed Input

What is quasi fixed cost? What is the difference between fixed and quasi-fixed cost? Is capital, land and labour considered a quasi fixed cost for a firm? I have read that when the firm wants to take ...
0
votes
1answer
193 views

What would the determinant of the input-output matrix represent? What is the intuition?

I know that the determinant of a 2x2 matrix represents the oriented area of the parallelogram represented by the vectors in the matrix. For 3x3 or higher order matrix it represents the oriented volume....
0
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0answers
25 views

Is an input-output model an equilibrium model?

I know the difference between CGE and input-output models. But can an input-output model be called a equilibrium model?
0
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0answers
14 views

Returns to Scale off a figure

This is the table given for levels of output for different levels of inputs. \begin{pmatrix} Q & K & L\\ 100 & 3 & 6\\ 200 & 5 & 10\\ 300 & 7.5 & 15 \\ 400 & 10 &...
0
votes
1answer
63 views

In a social accounting matrix, what does Capital refer to?

In the process of building a social accounting matrix for Panama, I am trying to understand what capital refers to. The Panamanian National Accounts have tables on capital, but they describe gross ...
0
votes
1answer
44 views

When building a social accounting matrix, do you input domestic intermediate demand or total intermediate demand?

I have been trying to build a social accounting matrix (SAM) after building an input-output table (IOT). In the IOT, I had to distinguish between total intermediate demand (which includes import of ...