• Aucun résultat trouvé

L'influence des auditeurs externes et des comités d'audit sur le contenu informatif des manipulations comptables

N/A
N/A
Protected

Academic year: 2021

Partager "L'influence des auditeurs externes et des comités d'audit sur le contenu informatif des manipulations comptables"

Copied!
28
0
0

Texte intégral

(1)

HAL Id: halshs-00525377

https://halshs.archives-ouvertes.fr/halshs-00525377

Submitted on 11 Oct 2010

HAL is a multi-disciplinary open access archive for the deposit and dissemination of sci- entific research documents, whether they are pub- lished or not. The documents may come from teaching and research institutions in France or abroad, or from public or private research centers.

L’archive ouverte pluridisciplinaire HAL, est destinée au dépôt et à la diffusion de documents scientifiques de niveau recherche, publiés ou non, émanant des établissements d’enseignement et de recherche français ou étrangers, des laboratoires publics ou privés.

L’influence des auditeurs externes et des comités d’audit sur le contenu informatif des manipulations comptables

Rémi Janin, Charles Piot

To cite this version:

Rémi Janin, Charles Piot. L’influence des auditeurs externes et des comités d’audit sur le contenu informatif des manipulations comptables. LA COMPTABILITE, LE CONTRÔLE ET L’AUDIT ENTRE CHANGEMENT ET STABILITE, May 2008, France. pp.CD Rom. �halshs-00525377�

(2)

L’influence des auditeurs externes et des comités d’audit sur le contenu informatif des manipulations comptables The Effects of External Auditors and Audit Commitees on the Informativeness of Earnings

! "#$ %

&" ' ( ) "

& " ! " " *

% "+ , -./ ).0 0 1 2, -./ ) -.

+3 4 + 5 * " +

6 " &

& ! "#$ " (

" 6 ( 7&-.( ) - " 2 0

% "+ , -.//) ).

1 2, -./ -/ /

6 " +5 4 5 * " +

+ 8 " 2 " 9*" 5 " 5 2 * #2 " 3* 5 5 "

" # 3 + : ( ; "# 9 < " = "

" = 56 < ( " # 5 * " 5 " 5 "

55 ( 5 ( "" < ( ( 5 2 * "

6 5 " + > "# " ?" 5 =" * ! 3 ( 5 " < " 5

# < " ! " 5 6 5 " * " +

@ " 2 A ( " "# 5 = < " 5

# B 5 "# ( 5 # # 5 C "

* " 5 " B C + 8# 6 "" 5

>71 " 5 000 + 8 " < ( = = 2 ( <

" 5 # 55 27 *D(

5 # # 3 5 + 8 5" 5 # # ( 5

5 * # 5 ( #" 9 5 * = "

( "#2 # " * " "# " +

+ ( ( < " "# ( # +

+ 7 6 " 2 " E "" F E * ( " * 3

* " + " 6 *6 E 6 = 56 *6

" 5 ( " F6 6 E * " 55 ( 6

" 6 = " " = ( F6 6 * " 6 * = E "" F * 6

5 = = " + $ * 5" E 5 " 5 = * 6

" E 5 * ( F * 6 6 5 < " E 6 = " " = *

* 6 * F G + * 1 6 * ( 6 5 5

2 F6 6 = < " E B 5 ( ( 2 5

C6 = 5 6 = " " = E " + %6 5" 5

E = 6 >71 $ 2 * 000 + $ F 6 > (

5 " * 6 6 = " " = E " " F 6 55

7 *D ( 3 E 5 2 + H F = ( 6 "E 2

( * " 5 ( 6 6 = " " = E " (

" * +

+ " ( = " " = ( < " E( E+

(3)

Introduction

5 2 " 9 ( "

5 " 5 " 5 5 " =

# 5 =" * + I * ( " $ >J$1 > 5" " 2

= 5 " " " 5 " + $" 5 = < " " 2 "

9*" 5 " 5 2 * #2 " 3* 5 5 "

" # 3 + ! " 5" 5

5 " ! 3 ( " 2 = = *

" 9 + ( "# 9 < " * 2 < "

= " 5 5 = " 5 ( " ;(

* " ( ! < 6 ( 5 * < " 5 " (

"# 5 = < #" + : ( ; " 5" 5 = "

" = 56 < ( " # 5 * " *

*9 A 55 5 " 6 < #" 5 " ( ( (

" = 5 " = ! " 6 5 "

2 " 6 " 5 5 = " + 8# " ?" 5 =" *

! 3 + "# 5 " ( " 2 * * " 5 "

( 5 "! ; ( ! " " + 8 "

> E B 00/C **9 < " * " 5 = 5

" " < #" 5 " + K 6 B )C < "

5 "# 2 " " 5 "

" 5 " + 5 " " ( " " * = 2

B 00 C( " 2( 55

+ 8# * " K 6 < " < " "# ( "" < 5 A

" 5 "# ( 5 " " "

" " 5 " + : 9 5 L #" #; 5 5 L

" = " < " = 5 # + @# 9

= 6 " = 2 5 < ( < #" 5 5 " "

B5 2 5" " " "" "# " C(

< #" "9= "# 5" " # " 5 " < # !

= " 5" # # 5" 5 + 5 " ( !

( # "E "# 5 # "

2+ 5 ( = 2 # *" 2 <

(4)

)

" 5 # # ( * " 5 = ! = * (

! ; 5" 5 " 6 2 5 " ! 5 " "

2BK" ( 7 ( -C+

@ " ( " * 2 A " 5 " <

" = " < " 5 # +

2 2 = 2 *" 2 #=9 5 " 9

" 5 A + 8 5 " < " 9 (

2 " 9*" 5" ? < " 5 5 ( ( 5

5 5 " 6 < ( 5" * 5 ! "#55" 5 5

5 + @ " " < " " * # 2 = =

" " 6 5 " 5" ? < " 5 ( *

"#2* * " 5 " 2 5 + &

B .C 5 < # 1 ( " ! # 5 # "

5 * = " 5 5 5 ! 5 " " " + > 2

55 ' B 00 000C5 55 7 B C( " #

" * = " 55 * A + 5 "

= " ( " * " ?" (

+ # < %6 E7 ( (

5 5 5 " "# 6 ( * < "

# # M 2 " * " N+ D ( " = " 6 5 "

A = " 55 " # " 5 * = = ! # *

"# " * " * = " * 6

5 " + & B .C = < # 5 # # ( "

5 ! " * " = " 2+ @

2 ( " # " = " " 6 5 " 5" ?

< " 5 ( " " = + D 6 5 < = "

! "# 5 = < " 5 # ( " = "#

2 " # ( "

1 + 8 "# " = " 55 " 6E5 69 6 6 + 8 5

" 5 6 " *< + 8 ) " " 5 < + " (

" 5 5 2 55 = "+

(5)

-

1. Cadre d’analyse et hypothèses de recherche

8 " 5 " * " E

5 2 " 2 < ! " = " 5 +$" 5

# * 5 " ( 5" 5

"#2 ( < ( < #E 5 "# 3 #

( 5 3!! = " +@

5 < #55 E " 6 " * # "

" 9 " = " 5 " = " 5 5

( "" "" @ 6 F B00-C5 " O B C5 "

1 + 5 ( " 5 2 * #2 " 5

5 " 2* ( "

" 5 < ! < " 5 M*9 N" 6 5 "

< #"" 5 " 5 " = BH "E P 6" ( 000 @ (

)C+

8 5 " " " 2 5 = 5 ! 2

* 3 BH " 6 ( 00 H "E & " 5 ( 00)C+ 6 6 ( " 5"

( 9 < " * = 5 55 "

< 2 2* "" ( *" ( 5 " < ( * "

2< "" 25 " ( ! " 6 5 " "" "

5 " BP Q ( 0 /( 00 C+ @# 6 6 ( 5" (

9 < " 5 " 5 " 5 " 2

= " "" 5 5 = #= ( "# 5 " 5 5 !

"" " # 3 ! " * 5 5 < * =

" B> E ( 00/ E "+( 00/ K 6 ( )C+@

5 5 = ( 2 " E "" "

5 2 ( " 9 " 6 5 " = " 5 " 5

# 55 5 5 "9 5 " 5 <

5 " " "# 9 + # ( " < " "

= 5 ! = ( " = 5 " +

8 < " 9< = " # # 5 = " 5

"# " "# 9 + = " = "

< " 55 ( 5 A ( 5 # " +

% "" ( 5 5 #55 " * " "# 2 (

(6)

" * = " 5 "" 5 @ * " B0 C," < " "#

" " 5 " < "# 2 " 5

" B 5 C( " =9" 6 B 5 C+% (

1 5 " 5 55 ' B00 C(" < " 5 #

9* 5" 5" " ?" = "" # (

"# # + < ( * " *

5 < " "# = " 55 6E5 69 = "# 2

# ( # +

8 2 = = "" 5 2 < "

"" "# " 5" 5 5 " (! = "

5 +> "# *" " " ( # ! "# # * " * = (

"# "! < 5 "#55 * "+> "# *" "

5 ( # ! "# " 5 " 5 < ("#

< "< * < 5 #5 " * " = 6 " 5 " 5

" 5 " + " " (" < " "# 2 =

5 2 " "# 5 " * 2

" = +8 5 # ! * 2 5 * "

55 5 "" B@ * " ( 0 C 5 5 BK" 8 " ( 0 C+

" " (" * # B" 7 *DC " 5 =

# < " " * = = " "

" " 5 6 5 " +

D ( "# 9 " = 6 5 " B"

= " M5 NC( " " 5 < " 5 2

" + @ 2 "# "

5 " +8 5 9 ( " 0 5 % 6 P *

B00)C( < " 5 B ( C

< 5 " 5 " 7 *D+ 8 (

" 5 00 5 6 6 B C = ) .0- = (

< " 5" " 5 " 5 " 7 * D+ K 6

B )C #55 9" # " 9 5

5 "( 5 9 "2 5 "(

2 2+ > ( " 5 0 0 00 ( < "

(7)

/

2 ( < " #; 5 7 *D

+

I " " 9 ( * 5 5

M = N"#55 6 K 6 " 6 A ( 2

" + 8 M = N * # (

= " < ( " " #; E < + ( " 2 5

< " 6 5 " " < " * " * " , "

< # 6 6 " "

5 "# + & 2 5"( " " = 5 " "" *

?" 5 " 5" = "# 5

" = ( = 5 " " 9 9

""( < M N+ @# 9 * " (

"# 3 M " N 5 < 5

5 " " 6 + 3 ( ( "

! 5 " * ( " 5 5 5" ? <

9*" + $" " ( 5 < ( "" 3*

5 " = 5 = " 2 +

8 5 " A L 2 " 5 L * "

5"5 5 " *" 2 5" 5 + H < ( "

# = " 5; 5 2 B < ( 9 C( =

5 ! "#55" 5 5 5 + 8# 3 " *

2 "# " = ! " "= " " ( 5" ? < #

2 R " 5 5 = 5 + 8 A

2 " 9*" B C 5" ? < " 5 5 , "

2 2 E 5 5" "( 5 5 * " (

# "" ( 5 " + % 5 ! " " = " 5 (

5 " **9 " < # 55" 2 = 5 5 5 5 ;

" ! "# " = 6 5 " + 5"A " =

6 5 " " " 6 * 2( " = 5 " # 5

"# 5 5 " ( ( # 2 9 < " M N "# + 2

O ( 5 " * " 2 " 9*" BP %6 ( -C(

5" 5 < ! < " 5 # * # B

7 * DC * 5 ! " * " 5 " + 8# K "+

B )C < " 7 *D 5 "

(8)

.

5 = ! = 6 2 5 " + @9 " ( 6 6 2 "

" 6 < " "# ( 7 *D ! M N"#55

* B7 G "+( 00 C( ( 5 < ( " "2 " 5 "

5 5 " 6 " 5 5 = " +

# ( 5 " = " 5 # "

1 ( " 7 * D = = ! "# * " ! " 5

" 5 " + @#S 5 9 6E5 69 ,

! " #

! "

$" = 5 6 2 5 J "" "# "

5 " < " = = # + 8# " ( = 5" "

5"< " * "# ( # # "" " * "# 6

< + 8 5 5 "5 "9 = " * "" (* " (" !

" 5 *" " "# 5 ! 5 ( 5 (

5 " " + : ( 5 = 5

* " 5 # 5 ( = 5 *"

# 5 = ! = # " + & < ( = 55 6 5 5"

M N " < " "# = 6 9 " 6 5

6 6 5 < + & (" " " R

" * " = # *" 2 +

8 " " 6 = < # 5" *

"# " ! " "* ( ! "# 5

5 + 8# 25 " K 55 B00 C( #

( =9" < " 5 ! " # 5 9

# (5 * "" 5 = " 5"

59 "" + (" 5 " "*

# < # " * " " "

5 " ! " # 6 "#55 # 5 ( * " 5"

"# "2 ( = 5 =*" = ! =

5 "" < # * " +

% (" 6 * " " "< "" " < " "# = "

" " = (5 "#6 ( 55 5 < ""

(9)

; ! ; + * " (" = 2 5 " ""

= < 6 "" + & 2(8 "+ B /C = < "

5 " # # B = C # 5 ! "#

"# + 1 G " "+ B C = " * = " " "

" 2 = " " ( < #

5 " < *9 " " ! " + @ 9 " ( E

"+ B )C < "# "# 5

2! " 5 * + 8 = 25" P "" B -C(

E " "+ B -C "# * = " " "

( " 2 = " " +

6 "+ B C * " " "

B ) C( E B- C( " * B0 5" C+ " 5

" 7 *D " 5 0 / 00 ( " = < # " !

2( < # " " *

* " + D *EB C 5 " ; # ! " 5

)( = 59 " "" # + $" < " "

" * 2 5 = ! "# 5" 2(

** "#2 # 5 " " " 9

* " + ( ("# < " 5 =

6 6 B C( 5 B C 5" " < "

" # ( ! 5 # " * 6 ""

" 00 +

(" 5"5 = 2 5 < 5 " "#6E5 69 #

" < " "# = " 5 + 7 # "" ; "

( ** < "# 2 * * 5 "

5 # "" 25 " + 5

#; 5 < + &" * " ( "5 ;

= < " 5 " 6 < 5 < =

# 5 RR"(" < " " ""

" 5 < " "# ( " " * +

(10)

0

$ % & #

( = " 5"2 56 9 ( "# * T < #" " 6 (

5 6E5 69 6 6 "" ,

&

'

= 5 (" 5 5 * = *" 2 = !

"# 5" " # " = "" * " 5

"" 1 5 55 ' B00 C+ #

< * = " "E " 5"

# ( 6 * = " " 5 5 " 5 5 " 5 " * (

5 = " B 2 C 2 " 5 "

= " # * " ( "# 5 "# 2 =

" 56 " = "" * # (

* 6 + @ 5 < = "" = 6 2

5 " ("# # 55 (! " ( *

# 5 5 55 2 * +

8 = 2 5 < < 9 "# " 5 # # (

5 ( " 6 5 " "!

( B " C ,

& +U = " V

B 55 * C ,

& +U V ""

5"

" B" 2 C

!" * " ,

* "(

" B5

" C,

& * "(

5" 5" "

5 " * 55

" , * "(

(11)

"" ( 5 2+ 5" 5 (P " B00-(

00/C 9 / E = " B!"#5 < C #

" 5 0// 0 + $" = < * = "

" " "# < " 5" + $"

" "# = 5 = = J 59 # 2 , "

5 !"# " B C( " = "

3 " " # + # 5 # ("

" 5 + "+ B )C 2 " *

5 "# B - = C " 9" < " 5 5

# 5 " # # " 5 "

" 5 B"# C+ = 6 (7 E "+ B -C(!5 >W&

" 5 00/ B ) = C( < " 5 #

# X 5 ! " * = 5 (

" "# " 5 " "+ " "

# 5 5 & B .C = " " (

< = 5 5 " " = " ! "" 7 E "+ B./

= " = 2 >W& " 5 00/ 000C+

" " ( " " (= ( 5 "

" ! * 6 < 5"9 < ! "# # = ""

5 # " 6 5 " + D

* " < " < "< = 2 5 < 5 " # " 5 " 5

" 5 "( 9 " 5 5

" 6 + (!"# = "55 5 5 5" 6 5 " *

# (" 5 < # 3 !" "2 " 5 "(" #

5 5 M N "# * " 5 " * " (

" 5 +

1 (" 5 5 = " # 5 "

; # # ( 2 2* 9 +

D (" " # 5 ( 55 ' $(

5 " * 5 = " < + (" " 5

B " YC # 5 " 55 ' $$B000C(!

2 " 55 7 B C+ @9 " ( " 56 9 #

< (5 " ( 5 < *" 2 ("

= "" B C " "" 5 = " "

(12)

* " * = + I (& B -C ( 2 59

" 55 ' $(< " 5 "9 #* # E ""(

"# 5" " * ( 5 " 5 5 2

" 5 # # 5 " A + &"

(& B .C = < " A # #

"= < " + " **9 < " 5

# # (< 5" 5 ( ! ! " < "

# " 5 # A " ( " M * N

5 " < 5 " + & < ( "* = " 5 9 6E5 69 " 5

"# 2 BH C( 2 6E5 69 ( " = ! " 5 #

# # (5 ! 5 + " " ( 2 6E5 69

**9 < " 5 # # ( "# 5 (

! " "2 " 5 "( " +

#

#

2. Aspects méthodologiques

)

8 5 = "" " "# >71 " 5 000

+ & !"# "E " * " = " " 6 ""

# 5" 5 = " ( = "" = + D

2 " 5 = " 5 5

" 5 " 55 ' B3 "" 000C "" 55 7 B 5

C+ 5 < 5 9 56 "

# A B& ( -C+ ( "" !

2 # " = ( " = 5 " "

" +

8# 6 "" = " 5 + $" 5 *" " 2

< "# >71 " 5 00 (

< # 2 5 = 9 " + 8 " 5

" 5 " 5 # "# 6 "" + 8 = " 5 "

(13)

! " @ (" 9 3 "

@ ( " # 55 " + 8 <

" ( < " " = ! "#

B= 5 9 C( ! 55 ) 5 5 000( .

5 5 5 5 + @ 5" ( = " "

= " " 9 " " "

(X( 5 " 0.(X=+ 8# 6 "" " " < " "

9" 5 5 ( 5 /. 5 +

Z$ " [

8 * * B ( % C " < " " " 5 (

" 5 " " ( ! " " " "# 5

B DC " "2 5 "B ( 1:C ,

% \ D L 1: ⇔ D \ 1: ]%

D = " " " 2B% C 5 6 < " "

" = ,

% \∆71 ]∆ L∆& = W L @ L @ & =@ 5 (

= \ ! ( \ 000( ( ( ,

• ∆71 \= " " " = " = " #

" + 71 \B> G] " ] ] 6+ #= C L B1 ]@

" W " ] ]& #= C

• ∆ \= 6 * ! 5 ! "# "

• ∆& = W \= & = 5 < 6 * 5 "

• @ \@ 2 #25" 5 "

• @ & =@ 5 \ @ 2 & = 5 @ 5 " (

5 = " B " 7 L " D C+

@ 29 5 ( " ( # !

5 " " 5 " 5 " + I "#

< ( " 5 ! "# " =

B@ 6 F "+( 00 C 9" = " " B 00 C "

# = " D 1 ! 6 # 2

5 =+

1 "" ( = " 9" = 5 6 <

# = 3 ,

% 3\^ ]_ +$ :>3]` +∆B L 8$ D%>C3]a3(

(14)

)

= B = " E 5 " ^ 5 " " "#

#2 C ,

• % \% "

• $ :>\$ " 5 "" ] 6 * ! 5

• \ 6 #

• 8$ D%>\ " = " +

8 B ( @ C 5

" 2 6 < " 55

! "# 5 9 9" +

1 "" ( 5 6 < ( " ,

@ \% L Z^ ]_ +$ :> ]` +∆B L 8$ D%>C [(

8 " < 5 = *" " " = = "

# ( 2 +

Z$ " [

8 E 5 * =

R + ( D:' "" " =9" 5

* = +

'

"# > E B 00/C K 6 B )C( 55 "

5 " " " L "

" 2 5 "( " "

L " = " " 9 ,

% \β ]β 1: ]β @ ]β)D@ ]β-@ bc ]β c ]β/d 000]β.

d ]ε (1)

= ,

• % " " 9 " " 5 -

5 9 " "? 5

• 1: , " " 2 5 " B " L 2C 5

• @ , " 5

• D@ =, " 5 B% L @ C

• d 000Bd C , = " ?" " ( "# =

"# 000B C( +

c 5 " = " # = ,

• 7$ , = " 2 5 "

5 ! " (

• % , = " " # 2

5 5 !/ =

(15)

-

• , = " " 5" #

• $D@ , = " " 5" # 5

5" X 5 " * ( ! =

2 ( 5 5 ( " 55 =

" 6 +

8 β1, β2 β3 5 + 5 # 5 5

5 " β5+ 8 β2 "# "

" " 9 5 " = " # + 8

β2 β4 "# ; ( " < 5

5 " = " # + & " = " 7$ ( " S" " 5"

5 = = ! "# * " !" 5

" 5 " BH C( β4 * + 8 2

5 5 = !" ( A ( ; #" 2

= * * * #25 BH C( #= 5

5 #6E5 69 " * " = " % + 8 # ( < 5"

" < #" 5 ( E 5 ?" " 5 " < 5 "

5 ( " 5 = "# * " 2

+β4 * 5 " = " $D@ BH H C+

3. Résultats empiriques

' # *

8 " ) 5 " < 5 = " 5

" " 2( " " < 5 # 2 +

Z$ " )[

8 5 5 B7 * DC 5 E

" * = " 5 " 5 "

5 7 *D+ & ( " "2 5 "B 1:C( < 5 5

! " 5 5 " " " ( # 5 * =

" 2 6 "" + 8# 5 5 " " 2

6 "" #25"< 5 5 " 5 " ,

" 2 5 7 *D * B )(

5 "#6E5 69 "" ( 5 " 5 5 C * = 2

2 5 7 *D+ 6 = " "

1 "+ B000C( < < " < 5 " "=

(16)

5" 5 " * B7 * / " C( "

" " 6 5 " "= 2 = + $" 5 5 <

5 " 5 7 *D( " 2 * = (

* = " 5 7 *D( " < "

E ( ""( "*9 5 = + E " !" 6 5

< "< 5 " M 2 = 5 N+

8 5 7 * D 5 " *

B@ C "*9 5 ( * = 2

B] ( ] ( . E C+ (

5 5 < * + " * "

B!" 6 !" C( " 55 < " 5 7 *D 5

= " " B 7>@ C * = 5" "= <

" 5 7 *D+ < **9 < "

5 M* N *" " 5" 5 < " " 5 "

# + 8 " 1 "+ B000C K 6 B )C(

" 2 ( **9 * " < " * 5" =

" 6 2 5 " < " 5 + : ( " (

5 5 ! " 5 5 " 5 * " "

#= "" 5 " 55 5 ( "" 5 = ( !"#55 (

!" < " * " * < " + 5 !

"# 6 2 5 " 5 5 # = E * 2 25" 5

< #" 5 * 5 ( 5 "! ; ( !"# ""* " * 2+

8 "# 2 " 5 " * = "

5 5 5 !* " " 5 " + E ( 5 "

= " 5 " ( " " "2 5 "( <

"# " " 3 = ( * = " 2

6 "" + < 5 < "

" " 5 = " < " "# "#

5 "+ $" " # " 5 # 5 < 5

5" * " "" "# " ( 5 " 6 < " 5"

" " ( " * 5 ! " " <

= " 5"5 = 2 5 < B + * C+

(17)

/

8 " - 5 " < 5 = " 5

" " 2( " " 5 " < # 5

# +

Z$ " -[

D = # 5 " = # B 6 "" C

!"# " B 6 "" @C+ 8 E #

5 " 5 " E "= < " ( " ;

< " "2 5 " 5 < " 2

5 5 " + 8 5" " 5 5 " = #

#25"< ( 5 " 5 7 *D( 5 " < #"" 5

2 * # 5" 5" 5 < " + 8

= # 5 " * B@ C "*9

* * = ! 2 B ( ] ( /

E C+ : = ; * " < * 5

" = " " B 7> @ C+ 6 = "

" & B .C < < " 5 # # "

5 = " 5 5 5" 5 "9 " *

= ! * " " +

D = 5 " E # 5 B

6 "" 7C 5 = 2 # B 6 "" @C( 2

= # 5 B 6 "" C !"# "

B@ ] C+ : = " * < 5 "

5 = " # + &" 5 ( " 55 < "

# 5 " " 5" "= < 2 5 " 5 "

= # 5 B] ( .- ] ( - 5 " E C(

# 9 " * 5 * =

5 2 ! # 5 B] ( /

] ( C+ $ 5 " * " " B6 9

9 C( " # 5 * "

* = 5" "= < 2 ! # 5 B(

( / C+ # ( " 5" # # " 5 =

" " 5 < 5 " 5 ( 5 55 ( (

+ &" 5 ( " 5 " #

5 *" " 5" 5 < " 5 #

(18)

.

" 5 " # " + 8 < " ( " ( < #! 5

5 ="* " " 6 5 " ( " # ( " "*

# " 5" 5 ( " * 2 ! * <

+ '

@ " " ( 5 " " * " "

= " < " "# < = , = " 5

# B7$ C( " # B% C( " 5 #

# B C "# 5 # B $D@C+

Z$ " [

$ 5 5 # ( " = " 5 " "

5 " " * + &" 5 " 9 ( β 5 * "

X( < < " = 6 " 5 <

" 6 5 = " " + 8 5 B * C

5 A 5 " 6 B = C = "" " 5 "

; < " Bβ) * " 5

* " XC+

& < < "# 2 ( β- *

< 5 " = " 7$ B " XC * * ( !

6E5 69 + 8 β β- " "#

5 " 5 7 * ( " 55 < "

5 " 5 9 5 9 5" "

5 " 6 + : ( ; 5 " E

" = ( = " "* < " ( < " 5 7 *

B= " " )C+ " **9 5 9 < ( 2 = 2

5 > E B00/C( " 5 2 5 5 "

= 5 " = " # + @ 29 ( !

6E5 69 ( " < " < # 5 ( "

* " < #"" 5 5 " 55 5 " 6 < #

; * " 5 5 = * +

5 2 " K 6 B )C < ( 2O ( = <

"# = " " 9 5" 5

" 5 * + $" " < " ! 5"

(19)

5 5 " " " 5 " " < "

5 = + $" 5 " < " * #

5 9 "#25 " 5 = 5 2 = "" = ""

" " 5 ! 5 " 5 " 55 + 5

* " < #!; 5 = ( " 5 = " 5 5 " !

6 2( ! 25 5 " " 9 " +

@ 5 < ( " 5 " A = " " M "E N

5 * "+

8 < " "# " 5 "

* = " ( " 5

* " = 6 " 2 = 5 ( " 6 = "

< 5 " 6E5 69 6 < " 5 5 2

" 5 < B + * C+ " 5 " < ( 6 "" ( "

5 " 5 # 5 2 5 "#25

2 " 25" < ( 5 " ( " " * = " = "

% +

& < ?" 2 5 " " 6 5 " (

" 5" 5 # # " = " < #!" * "

" + 8 = " b@ * = (

* ( " β- # 5 * ! " <

B" 5 " < " " ( 5 " " (

)( XC+ $" 55 5 < " < " # 5 ( " 5

" = " 5 5" ! " "

+ 8 β- * ( * (

* " X 5 " = " $D@b@ + : ( = * "

< " # ( !"# # " 5" 5 ( ! "

5 5 ( 5 " 9 9 * !"

6 " + # 5 < * ! = < # 2 9

5 " " < " 6 5 " # 5 !" 5 6

5 " + ( !"#2 9 " 5" " 5

"#55" 9*" 5 " ( " # " 5 !

= 6 " 2 = ( 5 * < ( "# "

" = " +

(20)

0

D 5 "" < 0X 6 "" E #

* " 5 7 * B < 5 " " 2C+ &

"# " 5 = 2 "

( = " 9" * " = S" = " 7$

" B" " " * 5 " " /C ,

% \β ]β 1: ]β @ ]β)D@ ]β-7$ b@ ]β 7$

]β/ $D@ b@ ]β. $D@ ]β d 000 ]β0 d ]ε (2)

Z$ " /[

8 β- * * " X( * ! =

"# " * # " " +

= 6 ( " β/ * ( * ( " #

5 < * + ( " < # 5 "" 5

5 ( " # 5 # " 5 5 < "

" +# ( " 5 #

" "" " " 5 " < 5 " "# " = "

5 " 5 ( "# # (

" # ( #55 5 5 + " 9 !

* "# "" ( " 5 (

* = +

Conclusion

@ ( " < 6

5 " 5 " 5 " * A ( 5" 5 " 9 "# 5

= < " 5 # , 5

"# 2 ( ?" 2 5 # 5 + 8

5 5 " = "# = *" 2 5 "

= " 5 ( = = ! = " " "= " "

5" ? < 5 + @9 " ( " * " " 5 ( 5

" 2 ( 5 =" * = " 3 < 5" ? <

" < + $" < " < " " * # ( "

( = 5" ? " " < " 5 6 5 " + (

5 < " " 5 " 5 "

( *" " ( " < " 5 * # B7 *DC(

(21)

" < " # # # ( < # 5

3 # 5 + = 6 ( = # "

< " "# # B 5eC " * "" "# " (

6E5 69 "" < ! "# 5 " " "

" 6 5 " +

D " 5 < ( " 6 " * # (

< ( *" " ( " * " 5 " B C

5 # 55 2

7 *D( 5 # # 3 5 " " +

8 5" 5 # # ( 5 5 * # 5 ( #" 9 5

* = " 5

" < " < # 5 # 5 5 = 5 !

M N " " 2 " 5 " * ( 5 = < "

= 6 5 " + ( M " * N "" (

" 5 " 5 " 2 ( * "

* "# " 9 5

" 5 5 " +

D " L 5 " A L ! " "

"( " "# 5 $ >J$1 >( "

55 " " " 5 6 5 " + & " ( "

" < # 55" Z 2 = e[ 5 5 5 " !"# "

= 6 5 " + @ " " ( " "

= " $1 >( " 5 "( 5 5 5" ? <

9*" 5 "" ( = 5 2 2 * = ""

2 2 " 3* 5 " " " 5

+ M 5 N 2 = 5 5 = ""

2 " e

(22)

! )

K+ 8+( @ " @+ D+( "" >+ 8+ B )C M 7 @ ( 6 $

* N( P G *5 5 D + ) -( P * 5 = ( = E

@ " F ( 6 5,JJ + J \--- - +

7 G +( @ 1 +( "= +( > E K+ + B 00 C M %6 f " E *

* N( 5 E * 6 , -+

7 @+ B C M & "" * = 5 L 55 * 5 = " 5

5 @ " 7 N( @ = 5 1 B @ 1C W 1 A

5 & = B 1 & 1C( & +

7 F P + @+( H H+( % " K+ B /C M " = 6 ' " " = *

* , $ " > EN( 5 * = F ,/ / /+

7 E @+( 8 + H+ +( % >+ 8+ B -C M %6 $ " $ 5 =

* f " EN( P G *5 5 ( 6 5,JJ + J \- +

7 " +( 8 + +( P "" * + B -C M 5 " "E 5 *

F 6 " " N( " * )., )0 / +

6 + B 0 .C M : > " "E * 6 N( " *

0, ) +

@ * " 8+ + B 0 C M > R f " EN( " * )B C , )

00+

@ 6 F &+ + B 00-C M * * 61" F 1 & ,%6 "

* " N( " * ,) - +

@ 6 F + +( >" + +( >F E + &+ B 00 C M @ * * * N( %6 *

= F . B C , 0) +

@ 1 + 8+( "= + B 00)C M 1 " " @ * = $ $ *

* 6 N( 5 E * 60,- -) +

@ &+ B )C M 8 5 " 5 " " < " "# < 2

= N( = )0B1 = C ,/ .)+

1 ( + +( K 6 ( + B 000C M * " 5 * = N( 5 E

* 6 / , ) //+

1 ( + +( E F + 8+( >5 G H+ + B 000C M %6 " 7 */ 6 " 5 *

" N( *, " & %6 E , .)-+

1 G " + +( 6 + 1+( D " K+ K+ B C M %6 " F #1 D

> = * * N( %6 * = F ..B> 55" C ,. +

E P + &+( K 6 >+ &+( P + 8+ B 00/C M G 7 = " @ E "

" N( " * 6)-B> 55" C , ) +

E P +( ' 6 + B /C M @ 1 F G = = *

7 6 & G N( " * - , -0 / +

6 6 +( @+ B C M % & 5 f " EN( %6 * = F

B C , / +

H "E&+ +( P 6" + + B 000C M = F 6 * * 8 $ 5"

> > *N( *H R )B-C ,)/ ) )+

H "E &+( & " 5 K+ + B 00)C M %6 1 # 1 " @ " & " > G 5 N(

*H R ., +

H " 6 + P + B 00 C M * 6 6 ,:55 7 6 = ( *

$ & 5 = N( " * , . +

+ B C M 8 " 5 " " 2

" 2 A N( 5 " L ?" L B C ,/0 +

6 '+ +( K6 $+ K+( E " + K+ B C M 1 % 6 f " E 1 "

5 N( 5 E * 6 0B-C ,/).// +

(23)

+ B 00 C M * * @ * $ 5 " $ = * N( " *

6 0B C , 0) +

K + 7+( 6 * +( 1 6 + B )C M = ( E * *

* N( 5 E * 6 B C ,) ) ) 0+

K" ( 7+ +( 8 " ( K+ B 0 C M %6 " G 1 * " & N( "

& " " E 0B-C,/ /- +

K 55 + + B 00 C M 1 6 > * f " EN( *,

" & %6 E B C ,) +

K 6 >+ &+ B 00 C M & * * 6 & & 8 * * , * 8 = "

' 6 * >5 " = @ " N( " * , .) +

K 6 + &+ B )C M f " E 6 & * @ E " N( *, "

& %6 E B C , 0 /+

8 + P +( 8 + 1+( d * + >+ B /C M %6 & * f " EN(

* " * " B0C ,0 0))+

K+( P "" @+ @+ B -C M 1 & " " N( %6 *

= F .0, 0 +

E + D+( E 8+ +( : %+ + B )C M 25" * 6 % 6 " " 65 6

f " E * , E eN( %6 * = F . B)C ,..0.00+

D *E + 8+ B C M E 1 % = ( 1 " 5 * f " E( " 7 * *

& F ,%6 6 N( *H R 0B C , / +

: + B /C+ & < $1 > , 5 = " 9*" A " > &( @ +

& >+ %+ B .C M %6 5 = 6 $ = * N(

= ( 6 *+

& + B -C M %6 2 $ 5 1 N( * 7

6 )-B)C , ) -/+

& +( + B .C M 2 " ( * * 1 N(

5 * = F /B C ,- 0- -+

E " + K+( @ @+ +( 1 + + B -C M & " > = 1 : 3 = EN(

*, " & %6 E )B C , 0 +

> E K+ + B 00/C M %6 & * @ E " N( " *

, -0 +

% 6 >+ H+( P * %+ + B 00)C M & = f " E 6 * 5 N( %6

* = F / B C ,)-/ )//+

' + B 00 C( M 8 " # N( @ 1 A

5 & = B 1 &C W " D " & 1 A B D&1C( 3 "" ( & +

' + B 000C( M 55 " * = # 5 5 5 + ' N(

@ 1 A 5 & = B 1 &C W = 5 1

B @ 1C( 3 "" ( & +

P + 8+( Q + 8+ B 0 /C+ & = *%6 E( *" F " ( D+ + ,& H ""+

P + 8+( Q + 8+ B 00 C M & = *%6 E, % d & 5 = N( %6 *

= F / , ) /+

P +( %6 @+ 7+ B -C M * f " E " = + & 5" 7 *> ,

% 6 >G HE5 6 N( P G *5 5 f # = E+

P " + + B 00-C M * " " E >6 6 " , 6 25" E& F

* N( 7 6 * = F / ,) ) ).-+

P " + + B 00/C M %6 * f " EN( " *( * 1

B C , -. ./+

(24)

)

+ ( )

O 5 " 5 # "# 6 "" = " D

8 >71 #5 9 FFF+ + . /

, , 9 ( # ( # = )

, , 9 " 9

( , B6 C "# 00

5 " 5 )

, , " 5 5 B ( C

9 5 " ! 55 " 5 " 2 000

, , 5 " 5 5 "

@$ D /

, , 6 " ! # = -

+ , . / # * 0111& -- 2

# D E O

E5 2 D ""

B C

@ +

""

B C

% 0) ( ()) ( - () (. (. bb (.

@g% / ( ( ()/ ()) ( (/ 0bb (/0.

@g% / ( / (- ( ( ( (

% * " 2 B C+8 5 2 @g < " 5

* +8 5 2 @g * " = " " +

b(bb( bbb * 5 " < " " ! ( ( ( ( 5 = +

(25)

-

+ ' / # * #

3 4

E E $

D ( (-) (.- (.- (.0 (-0

bbb bbb

% () ()/ ( ) ( (/ (/

bb

7>% (.) ( ) (0- (/ (.. ( )

1: ( ) ( - (. ( - ( (

@ ( ( . ( . ( / (.0 (0/)

b

D@ (- () ( ) () (0-/ (-

7>@ (/0 (- ( (/. (0.) (-)

bb bb

% 0+2 4

E E $

D (-/ (- ( ( ) (0 / (-0-

b

% ( ( - (- (- (0 (

7>% (./ ( (. (- () ()))

1: (// (/) (0. ( (/ (0.0

b bb

@ ( ( ( / ( - (.0 (- .

D@ ()0 () ( (-) () ( -

b

7>@ (.. (- (./ (- ( . (

7 *D B \ C B \) C

% h/ B \ .C % i/ B \-.C

D * " " (% " 2( 7>% " 2 = " " ( 1: " "2

5 "( @ " ( D@ " ( 7> @ "

= " " +

, 5 " 5 E 2 6 "" 5 B * 5 "#6 * "

= " 6 C+

$ ," 5 < % 5 "#6E5 69 "" #6 * +

b(bb bbb * 5 " < " " ! X( X X 5 = +

(26)

+ 5 / # * #

E E E E E $ $ $ $

D (-. (- (- (-- (/) ( ) (.- (/ (-0 () )( )( ( - () )( (.0. (). (..

bbb bbb bbb b bbb bbb

% (- (- () ()- ( ( ( ( - (/ ( (. 0 (/ ()- ( ) ( (-) (- (0-

bbb bb bb b b b

% 7> (.. ( . (.) ( ) ( ( (.. (- ( ) (/ ( (. (-0 (). (. ()) (/- (-/0

1: (0 ( / (. ( ( / ( . (// ( - ( ( ) ( (- (- ( ()0 (-. ()00 (0/

b b

@ ( ( ( ( ) ( - ( . (/ ( ) ( ( ( (0. (.. (0 ( (- - (0 (///

bbb bbb bbb bbb b

D@ () () (- () (-/ ()/ ( - ()/ ()/ ()0 (-)- (-) ( 0 (. (0 (-/ ()./ (-)

b b b

7>g@ (/. (- (/ () ( 0 (-- ( ( ) (.) (- (. ()- (0 (--/ (- (/)) (. 0 (.-

bbb b bb b bbb b

7+= @+ 7+= +

+ j

5

+= @+ 7+= + +& j

j

7+ j

5

+&

j 5

@+&

j

B \)0C B \ /C

B \ C B \ 0C B \ C

D * " " (% " 2( 7>% " 2 = " " ( 1: " "2 5 "(@ " (D@ "

( 7>@ " = " " +

, 5 " 5 E 2 6 "" 5 B * 5 "#6 * " = " 6 C+

$ ," 5 < % 5 "#6E5 69 "" #6 * + b(bb bbb * 5 " < " " ! X( X X 5 = +

(27)

/

+ 6 3

# 0" 7 6

& 2

% \β ] β 1: ]β @ ]β)D@ ]β-c b@ c ]β/d 000]β.d

c \ 7 * c \ % c \ c \ $D@

+ + + +

( -(--. bbb (. )()00 bbb (- -(. ) bbb () () bbb 1: B]C (.. -(0)0 bbb (0)- -(0 bbb ( -(0 bbb (- -( 0 bbb

@ B]C )(0- ())/ bbb )(00 -(/. bbb )( ) -( bbb ( -(- bbb D@ B]C (0/. -(- . bbb )() . -() bbb (. )( - bbb (/ )(/ - bbb

cb@ BC (00 (- . bb (. () ( ) ( (/)) (/ b

c e () ( ) (-0 (0 ) (-. (0/ (/ ()

d 000 e (0 )( bbb ( )( / bbb ( / )(). bbb ( ) )(- . bbb

d e ( 0 ( - (-0 (. ( . ( / ( (0-

1: * " "2 5 "(@ " (D@ "

(7$ ,= " 2 5 "

5 ! " ( (% ,= " " #

5 !/ ( ,= " " 5" #

( $D@ ,= " " # 5 # X

5 +

b(bb bbb * 5 " < " " ! X( X X 5 =

B " " 5 cb@ C+

+ 8 3

0" 7 56 & 2

1: @ D@ 7$ b@ 7$ $D@b@ $D@ d 000 d

B]C B]C B]C BC e BC e e e

+ (- ( 0 )(. . (./ (. ( ()/ ( . ( (

-( ) -(- 0 -()) )(0 - (./ (). (. () )(. (0 .

bbb bbb bbb bbb bb bbb

1: * " " 2 5 "(@ " (D@ "

(7$ ,= " 2 5 "

5 ! " ( ( $D@ ,= " " # 5 # X

5 +

b(bb bbb * 5 " < " " ! X( X X 5 = +

(28)

.

" " * : B -C(M ; "#$ >7 9 < " 5 "

5 = ; " ! " 5 " = "# 5 (" " < #

5 = " = 5 = " * N+ & " (" < "

5 " "#$ >7 " " = 5 " " " " 5 " #

5 +

' 7 G "+ B00 C(7 " "+ B -C( P "" B -C+

8 9 *" 5 < 5 (

* = # + I #2 5" (" # < ! " " = ( "

2 = ; * 5 " 7 +

=I #2 5" (@ 6 F B00-C 2 " 6 "" (" 5 " " 2 5 " " " "! 009 " +

= #55 " " " 25 "9 (

= * " 55" < 2 55 6 9" ,"#55 6 "" " =

! 6 " 9" 5 "# " 2 5 "( * = "

= "# ; 5 9 +

= 8 = " 5 " B 1:(@ (D@ C 5 " 5 +

6 B0 .C K 6 B00 C < " " = " 5 " 5 " 5 2

5 " " 5 9" "# 5 "#6

+

= = 2 5 < *" 2 B 6 "+( D *E( C< " M" * N

"" 5 !6 + @ " A ( S"

5 2 2 ( = " " " ( 5 " M" * N

"" 5 ! 2 + ( " 5 = "" < (

"# M N+

Références

Documents relatifs

To test whether the vesicular pool of Atat1 promotes the acetyl- ation of -tubulin in MTs, we isolated subcellular fractions from newborn mouse cortices and then assessed

Néanmoins, la dualité des acides (Lewis et Bronsted) est un système dispendieux, dont le recyclage est une opération complexe et par conséquent difficilement applicable à

Cette mutation familiale du gène MME est une substitution d’une base guanine par une base adenine sur le chromosome 3q25.2, ce qui induit un remplacement d’un acide aminé cystéine

En ouvrant cette page avec Netscape composer, vous verrez que le cadre prévu pour accueillir le panoramique a une taille déterminée, choisie par les concepteurs des hyperpaysages

Chaque séance durera deux heures, mais dans la seconde, seule la première heure sera consacrée à l'expérimentation décrite ici ; durant la seconde, les élèves travailleront sur

A time-varying respiratory elastance model is developed with a negative elastic component (E demand ), to describe the driving pressure generated during a patient initiated

The aim of this study was to assess, in three experimental fields representative of the various topoclimatological zones of Luxembourg, the impact of timing of fungicide

Attention to a relation ontology [...] refocuses security discourses to better reflect and appreciate three forms of interconnection that are not sufficiently attended to