ARCHIVES HISTORIQUES
DELACOMMISSION
COLLECTION RELIEEDES
DOCUMENTS "COM"
COM(79)406
Vol.1979/0144

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COMMISSION OFTHEEUROPEAN COMMUNITIES
COM(79)406 final
Brussels .18th July 1979
ft
•■-7
v"7
COMMISSION REPORT TOTHE COUNCIL
CONCERNING THE IMPLEMENTATION OFTHE SYSTEM
OFAVERAGE PRICES AND REPRESENTATIVE
PRICES INTHE WINE SECTOR
C0*1(79 )*06final

COMMISSION REPORT TOTHECOUNCIL CONCERNING THEIMPLEMENTATION
OPTHESYSTEMOPAVERAGE PRICES ANDREPRESENTATIVE PRICES IN
THEWINESECTOR '
Duringits470thmeetingheldinBrussels on26and27September 1977,the
CounciltooknoteoftheCommission 'sintention topresent areportonthe
application ofthenewrepresentative pricesystem(1)totheCouncil
before15September 1978.
Inordertofulfilitsundertaking ,theCommission hascarriedoutastudy
tocomparetheresultsobtained byapplying thetwomethods,the"weighted
average,price"method,whichwasinforceupto15December 1977,andthe
"representative pricesystem"whichcameintoforceonthatdate.
Thestudycoversthethreetypesofwineconcerned bythismethodof
calculation ,namely RI,RIIandAI,andisbasedontheweeklypricesfor
theperiodJanuary 1977-May1979,covering 123weeks.Thetablesgiven
intheAnnexshow,foreachtypeofwineandeachweekintheperiodunder
study,the"representative prices"andthe"weighedaverageprices".
Agraphalsoshowsthevariations amongsttheseprices,forwinesoftype
RIandAI;winesoftypeRIIarenotincluded butthepricesareoften
identical orthedifferences areminimal.Studyofthetablesoffigures
showsthatthe"weighted averageprice"exceedsthe"representative price"
inmostcases(from66%to75%).
Indétail :
ForwinesoftypeRI
Therepresentative priceisequaltotheweighted averagepricefor45weeks
" " ""lowerthantheweighted averagepricefor47weeks
" " ""higherthantheweighted averagepricefor31weeks
>•*/•a«
(1)Document R/432/78(AGRI131)of20February,p.7

ForwinesoftypeRII
Therepresentative priceisequaltotheweighted averagepricefor65weeks
" " *'*"lowerthantheweighted averagepricefor20weeks
" " "."higherthantheweightedaveragepricefor38weeks
ForwinesoftypeAI
Therepresentative priceisequaltotheweighted averagepricefor56weeks
" " ""lowerthantheweighted averagepricefor25weeks
" " ""higherthantheweighted averagepricefor42weeks
Acomparative studyoftheresultsofthetwomethodsleadstothefollowing
conclusions
a)thedifferences betweentherepresentative pricesandthecorresponding
weighted averagepricesaresmalland,exceptfor3weeksforwinesof
typeRIand6weeksforwinesoftypeAI,theywereonlysome1.5%
•atthetimetheywereverified .However/therepresentative price
methodhastheadvantage thatitmakesitpossible toreduce,atleast
inpart,theproblemposedbythedifference inthevolumestowhich
thequotations inFranceandinItalyapply.
b)withrespecttointervention ,thetwomethodsgiveverysimilarresults
fortheperiodunderstudy.Undertherepresentative pricesystem,the
numberofweeksforwhichthepossibility ofmakingshort-term contracts
wasavailable was18forwinesoftypeRIand99forwinesoftypeAI,
whereasthesefigureswouldhavebeen16and103respectively underthe
weighted averagepricesystem(seeAnnex2)*
c)regardless ofthemethodadopted,theproblemofthelackofrepresentativity
ofCommunity priceswillremainunsolvedaslongasthenumberofvalid
quotations available remainsverylow,foravarietyofreasons.
Inthelightoftheexperience gainedduringtheperiodduringwhichthe
representative pricemethodforcalculation ,introduced on16September 1977,
wasapplied,itseemsthatitshouldcontinuetobeemployedsince,inthe
presentstateoftheCommunity winemarket,ithascertainadvantages over
theoldmethod;butthisshouldnotpreventthesearchforasolutiontothe
problemwhichsometimesarisesthroughtheinadequate numberofquotations
available.

DatesPrii
UU1P.K.P.DatesPr',1rJtr^-tatrfP.M.P.Dates rrlir+ir4-p.::.p.
4.1.19771,8851^1,84413.10.1977 1,969 1,969 1.8.19782,026-2,026
11.1.1977 1,753-1,78925.10.1,956 1,956 8.8.1,971 2,041
18.1.1,832 1,8323.11.1,995k1,980 16.8.2,029 2,029
25.1.1,821-1,8838.11.2,013 2,013 22.8.2,118♦2,076
1.2.1,898 1,89815.11.2,023 2,023 29.8.2,048 2,048
8.2.1,861-1,88422.11.1,963 1,963 5.9.2,120 2,145
15.2.1,806-1,91929.11.1,980 1,930 12.9.2,048 2,102
22.2.1,776-1,8376.12.2,011 2,011 19.9.'2,107 2,122
1.3.1,914 1,91413.12.2,029 2,029 26.9.3,090
ii2,118
8.3.1,903-1,93020.12.1,923U1,895 3.10.2,154Μj2,146
15.3.1,870 1,87028.12.1,869U-1,826 10.10.2,170 2,165'
22.3.1,956 1,956 3.1.19782,118U2,094 17.10.2,136 2,156
29.3.1,781-1,86610.1.2,044 2,044 24.10.2,232+2,231
5-4.1,860 1.860 ,17.1.2,071U2,049 .31.10.2,210 2,223
12.4.1,921 1,921 24.1.2*148 +2,145 7.11.2,222♦i2,214
19.4.1,800-•1,91531.1.2,088 2,088 14.11.2,222 2,221
26.4.1,754 -■1,923 7.2.2,102 ii2,089 21.11.2,222 2,239
3. 1,851-■1,909 14.2.2,073 ••2,090 28.11.2,183 2,228
10.5.1,868 --1,908 j21.2.2,096 2,096 5.12 2,220 2,225
17.5.1,865 •-1,89628.2.2,081 -■2,103 12.12 2,211 2,211
24.5.1,876 •■1,898 7.3.2,085 2,085 19.12 2,174 2,179
31.5.1,874 1,87414.3.2,055 •-2,059 27.12 2,173 2,173
7.6.1,880 I1,85021.3.2,082 2,082 2.1.1979 2,196 2,158
14.6.1,762 M62
i29.3.2,118 ■M2,097 9.1 2,197 2,192
21.6.1,785 1,785 .4.4.2,125 2,125 16.1 2,226 2,219
28.6. •1,713 1►1,797 11.4.2,045 2,045 23.1 2,215 2,215
5.7.1,793-1,84518.4.2,034 2,034 30.1 2,238 2,241
12.7.1,778M1.7.7525.4.2,012-2,032 6.2 2,254 2,254
19.7.1,704-1,775 3.5.2,094 •♦2,088 13.2 2,247 2,257
26.7.1,745 1,74510.5.2,045 ♦2,032 20.2 2,197 2,263
2.8.1,671-1,74817.5.2,055 ♦2,047 27.2 2,258 2,269
9.8.1,645-I1,74723.5.1,887-2,001 6.3 2,282 2,273
16.a.1,632-1,75730.5.2,032-2,052 13.3 2,267 2,284
23.8.1,649-1,741 6.6.2,025 2,025 20.3 2,268 2,268
30.8.1,754 1,75413.6.2,015M2,003 27.3 2,251 2,265
J6»9*1,758 1,75820.6.1,943-1,993 3.4 2,246 2,257
13.9.1,770 1,770 27.6.2,025♦{2,018 10.4 2,145 2,168
20.9.1,876M1,841 4*7.2,002 2,002 17.4 2,145 2,145
27.9.1,826♦1,77711.7.1,986 1,986 ;24.4 i.2,247 2,247
4.10.1,864 1,86418.t.2,013 ♦1,989 2.5 V1,9191,783*
11.10.1,932 1.93225.?.2,061 ♦2,057 8.5 2,134 2,058

KII2.
rrlirr,rl'An-
tatlfp.y..p.Datesrr*«r*;rf.P.Ï'.P.IDate.
4.1.19771.916M1,898118.10.19771,937J-j2,045 1.8.19782,124I2,124
11.1.'1,904M1,83425.10.2,0622,061I8.8..1,9621,962
18.1.1,882 1,882 3.11.2,070♦2,061 16.8.2,079M1.962
1.2.1,886-1,978I5.ll.2,080U2,07929.8.1,9621,962 ]
8.2.1,933-1,97422.11.2,086 +2,079 5.9.1,962 1,962
15.2.2,025-"2,03129.11.2,264 2,264 12.9»2,054 2,054
22.2.1,897♦]1,8536.12.2,2782,27819*9.2,115M2,053
1.3.2,055M2»°7113.12.2,249H2.30326.9.2,115+2.053
8.3.2,026 2,02620.12.2,106-2,263 "3.10.2,208 2,208
15.3.2,038 2,03828.12.2,108-2,304 10.10.2,213 2,213
??.3,1,8741,8743.1.19782,2382,238I17.10.2,2162,216
29.3.2,077 2,077 10.1.2,110-2,251 24.10.2,243 2,243
5.4.^1,871 1,871 17.1.1,999-2,241 31.10.2,245 2,245
12.4..1,846Mlf82524.1.2,063-2,3347.11.2,2042,204
19.4.1,997 1,99731.1.2,066-2,217 14.11.2.273 2,273
26.4.1,908-2,1637.2.2,0652,065 ■I21.11.2,122-2,222
3.5.2,024 2,024 14.2.2,010 2,010 28.11.2,251 2,251
10.5.1,941Uj1,921I21.2.2,063+2,059]5.12.2,286I2,286
17.5.1,986 1,98628.2.2,062-2,307 12.12.2,238 2,233
24.5.1,995 1,995 7.3.5,063-2,293 19.12.2,009 1,950
31.5.1,964H1,92114.3.2,237I2,23727.12.2,1742,174
7.6.1,921 1,921 21.3.2,073 ♦2,062 2.1.1979 2,134 2,134
14.6.1,8641,86429.3.2,059♦.2,039 9.1.2,120 2,120
21.6. .2,004 2,0044.4.2,058 ♦2,039 16.1.2,217 2,217
23.6.2,0522,05211.4.2,061U2»<>3923.1.2,0682,068
5.7.2,025μ1,89518.4.2,142+2,087 30.1.2,049 1,948
12.7.2,012 2,01225.4.2,060M2,039 6.2.2,209 2,148
19.7.1,844*1,809 3.5.2,030 ♦1,990 13.2.2,049 2,049
26.7.1,849"1,97810.5.2,050*2,039 20.2.2,048 2,048
i2.8.2,044♦1,89517.5.'2,162 2,16227.2.2,2242,166
i9.8.1,895 1,89523.5.1,936"2,146 6.3.2,097 .2,036
16.8.2,0242,024J30.1,942-1,93813.3.2,3542,354
23."8.2,005 2,005 6*6.1,935-2,168 20.3.2,119 2,119
.30.8.1,985 1,985 13.6.1,934♦ 2,113 2,113
6.9.1,950 1,95020.6.2,256 2,256 3.4.2,018 2,018
13.9-2,026 2,026 27.6.2,062 2,062 10.4.2,045 2,045
20.9.2,036 2,036 4.7.1,991 1,991 17.4.2,093 2,052
27.9.1,933 ■»1,92711.7.2,077+1,96224.4.1,934 1,934
4.10.1,966f1,96318.7.1,962 1,962 2.5.2,059 2,020
11.10.2,0162,01525.7.2,122 2,1223,5.2,022I'2,022

3.il
ΙΑ*.·»f^TIff
tattfDatesUMP.K.P. Dates Pf'1r*:W"
swtalHp.::.P.
4.1.1977 1,387-1,483*"18.10.197 ?1,616*rΐνη7I1.8.1978!,723*1Γ1,725'
11.1.1,504 1,504 25.10.1,578 1,700 8.8.1,682 1,682
18.1.1,530 1,530 3*11-1,800 1.800 16.8.1,704 1,704
25»1.1,497-1,538 8.11.1,765 1,784 22.8.1,597 1,597
1.2.1,491*1-1,527 15.11.1,807 1,807 29.8.1,674U1,642
8.2.1,549U1,545 22.11.1,722 1,827 5.9.1,702-1,755
15-2.1,556I1,556 29.11.1,686 1,827 12.9.1,7U-1,758
22.2.1,548 1,548 6.12.1,684-1,833 19.9..1,793 +1,781
1.3.1,559 1,559 13.12.1,728-1,820 26.9.1,727t1,688
9.3.1.570U1,565 20.12.1.612 -1,732 3.10.1,737 ♦■1,725
15.3.1,539 1,539 28.12.1,723 1,723 10.10.1,762 1+1,753
22.3.1,551 1,551 3.1.19781,757 1,757;17.10.1,772U1,760
29.3.1,547 1,547 10.1.1,812M1,782 24.10.1,795 ••1,777
5.4.1,568 1,56817.1.1,685 1,685 31.10.ν\1,776«A1,767
12.4.1,637 1,637 j24•1•1,632M1,593 7.11.1,662U'1,597
19.4.1,612 ♦1,568 31.1.1,784 1,784 14.11.1,962 1>\1,906
25.4.1,576H■1,558 7.2.1,793 1,793 21.11.1,611-•1,753
3.7.1,537I*■I1,568*14.2.1,725 1,725 28.11.1,663 1,663
10.5.1,543 «1,545"!21.2.1,770 1,770 5.12.1,650 1,650
17.5.1,577\*•1,568 28.2.1,796
A.1,829 12.12.1,769 1,651
24.5.1,531VI» I1,521 7.3.1,672 -1,773 19.12.1,562 1,723
31.5.1,550 «►1,542 14.3.1,775
<é1,775
Λ,27.12.1,738 1,733
7.t>. 1,G00I►■I1,547 21.3«1,643
£!1,769
Λ.2.1.1979 1,558 1,557
14.6.1,541-1,604 29.3.1,679 '1,679 9.1.1,711 1,711
'21.6.1,533 1,533 4»4.1,840M1,823 16.1.1,701 1,590
23.6.1,499 1,499 11.4.1,811 1.811
> ■23.1. .1,594 1,594
1,586I*►1,482"18.4. .1,643
*r1,627 30.1.„1,815 1,815
12.7.1,647•i1,516' 25.4.1,655
*H1,723 6.2..1,811 1,811
19.7.1,493M1,496 3.5.1,679 1,739 13.2.1,638 1,638
26.7.1,501 1,501 10.5.1,685 1,685 20.2.1,683 1,633
2.3.1,624*11,537 17.5.1,648
4.4-l,o27 27.2.1,635 1,603
9-3.1,524 1,524 23.5»1,596
jl1,505 6.3.1,844 1,844
16.8.1,540H1,536 30.5.1,546-1,644 13.3. •1,782 1,709
23.3.1,5101,510*6.6.1,536 1,536 20.3.1,679 1,810
0.8 1,560 1,560 13.6.1,548 1,533 27.3.1,674 1,655
;9.1,572 1,57220.6.1,550 1,624 3.4.1,662 1,662
:13.9.1,571 1,57127.ô.1,577 1,671 10.4.1,594 1,594
20.9.1,609A1,605*4.7.1,627 1,540 17.4.1,757 1,757
27.9.1,620 1«62011.7.1,648 1,648
1,696*'24.4.1,757 1,757
4.10.1,621A1,602*18.7.1,696 2.5.1,595 1,595
11.10.1,706*1,693*25.7.1,611 1,611 1,606I1,606

ANNEXII
Numberofweeksduringwhichthepossibility ofmakingstoragecontracts
wasavailableorwouldhavebeenavailable :
RI RII AI
Representative price 18 0 99
Weightedaverageprice 16 0 103

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