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Series F, No39, Department of International Economic and Social Affaires, New
York. APPENDICES Figure 1. Appendices: From Supply and Use tables to
Input-Output Tables Supply Table Use Table Production Matrix Use table for Imports Use table for Domestic output Transformation of Supply and Use Tables to Symmetric
Input-Output Table Technology Assumption Assumption of fixed sales structure Model A             Production Technology     
  Assumption Model B               Industry Technology
Assumption Model C                  Fixed Industry Sales
Assumption Model D                   Fixed Product sales
Structure Assumption Product by Product Input-Output Tables Industry by Industry Input-Output Tables Source: José M. Rueda-Cantuche, Jörg Beutel, Frederik
Neuwahl,  Andreas Löschel, Ignazio Mongelli, 2005, A Symmetric
Input-Output Table for EU27: Latest Progress: 20. Table 1. Appendices: Transformation of make and use
matrices into symmetric input-output tables 
|   | MODEL A Product by Product Product technology based | MODEL B Product by Product Industry technology based | MODEL C Industry by Industry Fixed Industry sales structure | MDEL D Industry by Industry Fixed Product sales structure |  
| Input Coefficients | AA(U,V) = UV-T | AB(U,V)=            
U(diag(Ve))-1V(diag(VTe))-1 | AC(U,V) =                           
diag(Ve)V-TU(diag(Ve))-1 | AD(U,V) =             
V(diag(VTe))-1U(diag(Ve))-1 |  
| Intermediates | ZA = AA(U,V)diag(VTe) | ZB = AB(U,V)diag(VTe) | Zc = AC(U,V)diag(Ve) | ZD = AD(U,V)diag(Ve) |  
| Final Demand | FA = Y | FB = Y | FC = diag(Ve)V-TY | FD = V(diag(VTe))-1Y |  
| Value Added | VAA =                 
WV-Tdiag(VTe) | VAB = W(diag(Ve))-1V | VAC = W | VAD = W |  
| Output | qA =
(I-AA(U,V))-1FAe | qB = (I -
AB(U,V))-1FBe | gC =
(I-AC(U,V))-1FCe | gD = (I-AD(U,V))-1FDe |  
| Negatives | YES | NO | YES | NO | 
Legend for the transformation of make and use tables into
input-output tables at basic prices                                            
                                                       A=
Technical Coefficients Matrix              Y = Matrix for
Final demand by Product and Category      VT =
Supply Matrix                                                                  
     W = Matrix of Value added by component and by Industry   
    U =  Use Matrix                                 
e = Column Vector of Ones                                     
                                                                               
                                                    Note: T will
denote transposition and -1 inverse of matrix. Since the two operations
commute, their composition may be denoted -T. Also,        diag will denote
diagonalization whether by suppression of the off-diagonal elements of a square
matrix or by placement of the elements of a vector Source: José M. Rueda-Cantuche, Jörg
Beutel, Frederik Neuwahl,  Andreas Löschel, Ignazio Mongelli, 2005,
A Symmetric Input-Output Table for EU27: Latest
Progress: 21                                            
Table 2. Appendices: Input-Output Table Set in the Form of a Social
Accounting Matrix       (i)                   (ii)                      (iii)            
            (iv)                  (v)    Domestic Production                             
           Institutions                                                                                         Products         
Activities   Factor Services  Domestic               RoW                  
TOTALS Domestic Production                       Use of
Raw                                  Dom. Final       Export  of goods  Demand 
                (i) Products                                         Materials 
                                Demand (market & non Factors       for
Products                                                                       
                              .                                                
                                                             Prices)           
   Services (f.o.b)   market prices     (ii) Activities               Gross Out-                         
                                                                               
    Gross output                                                               
                                                              .    .           
                          Puts                                                 
                                                                of products    
                                                                               
                                                     .                         
         (Producer                                                             
                                                    (producer                  
                                                                               
                                       .                                      
Price )                                                                        
                                          price)     (iii)Factor Services                          Payments for       
                                                                               
Demand for                                                                     
                                                                               
      .                                                       Factor services  
                                                                               
 fact. services                                                                
                                  . .                              .           
         (including VAT)                                                       
                          market prices  Institutions                 I. Taxes on   I.
Taxes on       Factor services                               Factor income   
Total income                                                                   
                               (iv)Domestic                Products +  
activities +        supplied plus                                 received from
     generated by                                                              
                . .       .                              import   operating
surplus VAT receipt                                         abroad         
contributions                                                                  
                 . .     .                               duties                
                of Government                                                  
       or production (v)Rest of the World   Import of                              
Factor income                                                           Total
domestic                                        . .    .                       
    goods and                               paid abroad                        
                                     expenditure on                            
             . . .    .                          non-factor                    
         and imports of                                                        
  foreign goods                                                       .        
                           services                                 factor
services                                                            and
services                                    . . .                              
     (c.i.f)    TOTALS                     Supply of    Gross
outputs     total supply of Total expenditure Total foreign                    
          .                                   products at  of products        
factor services   on production      expenditure                               
     .                                      market     valued at pro-     at
market prices at market prices   on domestic                                   
                                                                               
              . .                                    prices        ducer prices
                                                            goods
&services Source: Grahan Pyatt, 1988, A SAM Approach to
modeling, Journal of Policy Modeling, University of Warwick. |