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(1)EUI Working Papers ECO 2008/09. Network Organizations. Fernando Vega-Redondo.

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(3) EUROPEAN UNIVERSITY INSTITUTE. DEPARTMENT OF ECONOMICS. Network Organizations FERNANDO VEGA-REDONDO. EUI Working Paper ECO 2008/09.

(4) This text may be downloaded for personal research purposes only. Any additional reproduction for other purposes, whether in hard copy or electronically, requires the consent of the author(s), editor(s). If cited or quoted, reference should be made to the full name of the author(s), editor(s), the title, the working paper or other series, the year, and the publisher. The author(s)/editor(s) should inform the Economics Department of the EUI if the paper is to be published elsewhere, and should also assume responsibility for any consequent obligation(s). ISSN 1725-6704. © 2008 Fernando Vega-Redondo Printed in Italy European University Institute Badia Fiesolana I – 50014 San Domenico di Fiesole (FI) Italy http://www.eui.eu/ http://cadmus.eui.eu/.

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(50) 141@D129<9DI 3?=@<5D5<I 4?=9>1D5 6?B <?G <5F5<C ?6 F?<1D9<9DI 2ED 1B5 C81B@<I ?SC5D G85> 89785B <5F5<C 1B5 13895F54 G5<< 25<?G 8?G5F5B D85 C9DE1D9?> ?6 =1H9=E= DEB>?F5B )89C B19C5C @?C9D9F5 1>4 >?B=1D9F5 9CCE5C ?> D85 O4I>1=93 45C97>P ?6 ?B71>9J1D9?>C G8938 1B5 <56D 6?B CE2C5AE5>D B5C51B38 449D9?>1< 9CCE5C D? 25 5H@<?B54 9> D85 6EDEB5 3?>35B> D85 C5>C9D9F9DI ?6 D85 3?>3<EC9?>C D? C?=5 ?6 D85 C9=@<96I9>7 651DEB5C ?6 D85 1@@B?138 I G1I ?6 9<<ECDB1D9?>  3<?C5 D85 @1@5B G9D8 D85 ?ED<9>5 ?6 C?=5 F1B91D9?>C ?6 D85 =?45< D81D C55= G?BD8 3?>C945B9>7.  )85 =?45< 1CCE=5C D81D D85 B5G9B9>7 ?6 1 <?>7 B1>75 <9>; ?33EBC G9D8 D85 C1=5 @B?2129<9DI 9>45@5>45>D<I ?6 D85 49CD1>35 3<?C54 2I D85 14:ECD=5>D > D85 C@9B9D ?6 ?EB 1@@B?138 ?>5 3?E<4 @B?@?C5 9>CD514 D81D 6?B 5H1=@<5 B5G9B9>7 ?33EBC 1719> G9D8 C?=5 @B?2129<9DI  1 45C97> @1B1=5D5B ?><I 96 D81D 49CD1>35 5H3554C 1 35BD19> D8B5C8?<4 $1DEB1<<I D89C 3?E<4 :ECD 9=@B?F5 D85 ?F5B1<< @5B6?B=1>35 ?6 D85 ?B71>9J1D9?> ED 1 DB145?S 1;9> D? D81D ?6 D85 ?B979>1< =?45< G?E<4 CD9<< 1B9C5 1>4 3?BB5C@?>49>7<I C9=9<1B AE1<9D1D9F5 3?>3<EC9?>C =1I 25 5H@53D54  )85 6B1=5G?B; @?C9DC >? <9=9D ?> D85 >E=25B ?6 <9>;C 1> 175>D 31> 81F5 59D85B CE@@?BD54 2I 85BC5<6 ?B ?D85BC )89C ?6 3?EBC5 9C E>B51<9CD93 6?B 1>I B51C?>12<5 9>D5B@B5D1D9?> ?6 G81D <9>;C 5>D19< >4554 96 >? CE38 3?> CDB19>DC G5B5 29>49>7 1> ?B71>9J1D9?> D81D 9C CDBE3DEB54 1C 1 CD1B 95 1<< 175>DC 3?>>53D54 D? 1 35>DB1< 175>D G?E<4 13895F5 D85 25CD @5B6?B=1>35 9> =1>I 31C5C )85 9=@<939D 1CCE=@D9?> ?6 D85 =?45< 9C D81D CE38 1 CD1B 3?>K7EB1D9?> 9C >?D 651C92<5 1>4 D85B56?B5 D85 ?B71>9J1D9?> 9C 75>5B1<<I 25DD5B ?S 49C@<1I9>7 C?=5 141@D129<9DI 1C D85 5>F9B?>=5>D 381>75C  =?45< G85B5 D85 457B55 ?6 >?45C 9C CE2:53D D? C?=5 B5<1D9F5<I D978D E@@5B 2?E>4 G?E<4 =1;5 D81D 9=@<939D 651DEB5 ?6 D85 =?45< 6E<<I 5H@<939D?B 5H1=@<5 9D 3?E<4 25 1CCE=54 D81D 1>I 3?>D5=@<1D54 B5G9B9>7 31>>?D 25 3?=@<5D54 96 9D F9?<1D5C D81D 31@139DI 3?>CDB19>D D C55=C B51C?>12<5 D? 3?>:53DEB5 D81D >? 5CC5>D91< 9>C978D G?E<4 25 1653D54 2I D89C F1B91D9?>

(51)  )85 =?45< 81C 1CCE=54 D81D D85 213;2?>5 ?6 D85 ?B71>9J1D9?> 9C 1 B57E<1B 2?E>41B9<5CC <1DD935 %6D5> 8?G5F5B D85 6?B=1< 1>4 CD12<5 >5DG?B; ?6 1> ?B71>9J1D9?> 9C 25CD 3?>359F54 1C 49C@<1I9>7 1 <5CC CI==5DB93 6?B=  >1DEB1< 2ED CD9<< CDI<9J54 1<D5B>1D9F5 9C 79F5> 2I 1 895B1B38931< DB55 CDBE3DEB5 G85B5 5138 9>49F94E1< Q 5H35@D 6?B D85 C9>7<5 1@5H Q 9C 3?>>53D54 D? ?>5 OCE@5BF9C?BP (E38 1 895B1B38I 9C 45C3B9@D9F5 ?6 =1>I ?6 D85 B51< G?B<4 CDBE3DEB5C ?2C5BF54 9> ?B71>9J1D9?>C 1>4 @B?212<I D89C 9C @1BD<I 4E5 D? D85 14F1>D175C 9D 1<<?GC 9> D85 B?ED9>7 1>4 @B?35CC9>7 ?6 9>6?B=1D9?> 36 '14>5B 

(52)  '535>D<I 8?G5F5B 9D 81C 255> 1B7E54 C55 57 ?44C '   

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