Konan, Denise

Van Assche, Ari

English

Research Papers in Economics

11.Q
Tunisia
Denise Konan and Ari Van Assche
11.Q.1 Original Input-Output Table
The data used in preparing the input-output table for the Tunisian economy came from a 1995 input-
output table for Tunisia that was provided by the “Institut National de la Statistique” (INS). The
Tunisia I-O table is grouped commodity by commodity and includes 52 sectors. INS (1998) provides
a description of the data collection techniques used. All units are measured in units of 1000 dinars
at current 1995 producer prices. 
In the original Tunisia I-O, there was only a column vector reporting total imports by
commodity. Following the procedure suggested in Huff, McDougall and Walmsley (2000), we
constructed an import matrix by multiplying the pro-rated total use matrix by the import vector. A
domestic matrix was then created by subtracting the import matrix from the total use matrix.
The value-added matrix was constructed using information on labor share per commodity
and value-added taxes. There is no information on returns to agricultural land or commodity taxes
in the Tunisia I-O table. We have set both series to zero.
11.Q.2  Sectoral Classification
A concordance was made from the source classification to the GTAP sectoral classification (GSC2).
Because of data limitations in the original 1995 Tunisia I-O table, some source sectors were too
aggregated to match the GTAP sector breakdown. For these sectors, we contributed our data in
aggregated form. The concordance of the 52 sectors in the original Tunisia I-O table to the GSC2 is
listed in Appendix Table 11.Q.A1. Appendix Table 11.Q.A2 provides the concordance between
GSC2 and the original classification.
We could not assign the category “Other Products” in the original I-O table to any of the
GTAP classifications. We allocated its value to the other commodities according to each
commodity’s weight in the table.
We have no statistical information on imputed rents. We assume they are zero.11.Q - 2
11.Q.3  Dealing with Re-Exports
For three original series (“Olives and Oils”, “Other Chemical” and “Hats”), Tunisia exported more
than it domestically produced. For these three series, we subtracted the excess exports from both the
export and the import series.  
References
Institute National De La Statistique (INS). 1998. “Les Comptes de la Nation Base 1983, agregats et
tableaux d'ensemble 1993-1997,” Tunis: INS Press.
Huff, K., McDougall, R. and Walmsley, T. 2000. “Contributing Input-Output Tables to the GTAP
Data Base,” GTAP Technical Paper No. 1, Release 4.1, Purdue University, USA.11.Q - 3
Contniued
Table 11.Q.A1  Mapping between the Original Classification and GTAP Sectors
Original Classification GTAP Sectors
1 Agriculture 1, 4 - 10, 12, 23 pdr, v_f, osd, c_b, pfb, ocr, ctl, oap, wol, pcr
2 Fish and Seafood 14 fsh
3 Meat 19, 20 cmt, omt
4 Dairy 11, 22 rmk, mil
5 Processed Grain 2, 3 wht, gro
6 Olives and oils 21 vol
7 Canned Food 25 ofd
8 Confectionary 24 sgr
9 Other food products 1, 4 - 10, 12, 23 pdr, v_f, osd, c_b, pfb, ocr, ctl, oap, wol, pcr
10 Beverages 26 b_t
11 Tobacco 26 b_t
12 Cement 18 omn
13 Non-ferrous metals 36 nfm
14 Metal work 35, 37 i_s, fmp
15 Machines and equipment 41 ome
16 Automobiles and trucks  38, 39 mvh, otn
17 Auto parts and repair 38 mvh
18 Electric materials 40 ele
19 Electronic materials 40 ele
20 Household appliances 42 omf
21 Fertilizer 33 crp
22 Other chemical 33 crp
23 Related to chemicals 33 crp
24 Pharmaceuticals 33 crp
25 Rubber and tires 33 crp
26 Net and fabric 27 tex
27 Carpet 27 tex
28 Hats 28 wap
29 Apparel 28 wap
30 Leather work 29 lea
31 Woodwork 30 lum
32 Paper, books, records 31 ppp
33 Plastics 33 crp
34 Other products Split across commodities
35 Minerals 34 nmm
36 Petroleum and gas 15, 16, 17, 32, 44 col, oil, gas, p_c, gdt
37 Electricity 43 ely
38 Water 45 wtr
39 Construction 46 cns
40 Commercial services 47 trd
41 Transportation services 48, 49, 50 otp, wtp, atp
42 Telecom and post 51 cmn
43 Hotel 47 trd
44 Restaurant 47 trd
45 Financial services 52 ofi
46 Insurance services 53 isr
47 Business services 54 obs
48 Property rent and leasing  54 obs11.Q - 4
Table 11.Q.A1  Mapping between the Original Classification and GTAP Sectors  (Contd)
Original Classification GTAP Sectors
49 Repair services 47 trd
50 Maintenance education health
other 
56 osg
51 Public administration and
welfare
56 osg
52 Other non-business services 55 ros11.Q - 5
Continued
Table 11.Q.A2  Mapping between GSC2 and the Original Classification
GTAP Sectors Original Classification
1 pdr 1
52
Agriculture 
Other food products
2 wht 5 Processed Grain
3 gro 5 Processed Grain
4v _ f 1
52
Agriculture 
Other food products
5o s d 1
52
Agriculture 
Other food products
6c _ b 1
52
Agriculture 
Other food products
7p f b 1
52
Agriculture 
Other food products
8o c r 1
52
Agriculture 
Other food products
9c t l 1
52
Agriculture 
Other food products
10 oap 1
52
Agriculture 
Other food products
11 rmk 4 Dairy
12 wol 1
52
Agriculture 
Other food products
13 for - -
14 fsh 2 Fish and seafood
15 col 36 Petroleum and gas
16 oil 36 Petroleum and gas
17 gas 36 Petroleum and gas
18 omn 12 Cement
19 cmt 3 Meat
20 omt 3 Meat
21 vol 6 Olives and oils
22 mil 4 Dairy
23 pcr 1
52
Agriculture  
Other food products
24 sgr 8 Confectionary
25 ofd 7 Canned food
26 b_t 10
11
Beverages 
Tobacco
27 tex 26
27
Net and fabric 
Carpet
28 wap 28
29
Hats 
Apparel
29 lea 30 Leather work
30 lum 31 Woodwork
31 ppp 32 Paper, Books and Records
32 p_c 36 Petroleum and gas11.Q - 6
Table 11.Q.A2  Mapping between GSC2 and the Original Classification (Contd)
GTAP Sectors Original Classification
33 crp 21
22
23
24
25
33
Fertilizer 
Other chemicals 
Related to chemicals 
Pharmaceuticals 
Rubber and Tires 
Plastics
34 nmm 35 Minerals
35 i_s 14 Metal work
36 nfm 13 Non-ferrous metal
37 fmp 14 Metal work
38 mvh 16
17
Automobiles and trucks 
Auto parts and repair
39 otn 16
17
Automobiles and trucks 
Auto parts and repair
40 ele 18
19
Electric materials 
Electronic materials
41 ome 15 Machines and equipment
42 omf 20 Household appliances
43 ely 37 Electricity
44 gdt 36 Petroleum and gas
45 wtr 38 Water
46 cns 39 Construction
47 trd 40
43
44
49
Commercial services 
Hotel 
Restaurant 
Repair services
48 otp 41 Transportation services
49 wtp 41 Transportation services
50 atp 41 Transportation services
51 cmn 42 Telecom and post
52 ofi 45 Financial services
53 isr 46 Insurance services
54 obs 47
48
Business services 
Property rent and leasing
55 ros 52 Other non-business services
56 osg 50
51
Maintenance, education, health, other 
Public administration and welfare
57 dwe - -

Agriculture Other food products

Auto parts and repair

Automobiles and trucks Auto parts and repair

Business services Property rent and leasing

c t l 1

Commercial services Hotel Restaurant Repair services

fabric 27 tex

Fertilizer Other chemicals Related to chemicals Pharmaceuticals Rubber and Tires Plastics

health, other Public administration and welfare

Les Comptes de la Nation Base 1983, agregats et tableaux d'ensemble 1993-1997,”

Other food products 1, 4

Other products Split across commodities

Public administration and welfare

Transportation services 48, 49, 50 otp,

Tunisia.

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Tunisia.

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