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Università degli Studi di Roma "Tor Vergata“
Facoltà di Economia
Corso di laurea in
Economia dei Mercati e degli Intermediari Finanziari
Tesi in Economia del Mercato Mobiliare
"L’applicazione della Prospect Theory al mercato azionario italiano durante la crisi
finanziaria”
Il Relatore
Chiar.mo Prof. Gianluca Mattarocci
La laureanda
Silvia Cerlenco
Anno accademico 2010/11
Dati campione
• 70 società quotate
• 10 settori: health & care, banks, personal good,
pharmaceutical, gas e multiutilities , media, nolife insurance,
household goods, financial services, real estate
• periodo di riferimento: 2007-2009
• Prezzo azionario 31/12/t
• EPS 31/12/t
• Report analisti disponibili al 2007
• Capitalizzazione di Borsa
2
METODOLOGIA
Dove:
EPSt = utili correnti realizzati nel periodo t
FEPSyt = utili previsti dall’analisti y nel periodo t
Pt = ultimo prezzo disponibile per il periodo t
3
RISULTATI 1/2
2007
2008
2009
4
RISULTATI 2/2
2007
2008
2009
5
ANNO ERRORE DI PREVISIONE
MEDIO
DEVIAZIONE STANDARD
2007 -0,05 0,22
2008 -0,13 0,73
2009 -0,30 1,08
6
SETTORE N. osservazioni Composizione %
Errore di
previsione medio
Health & Care 2 2,86 -0,05
Banks 11 15,71 -0,01
Personal Goods 10 14,29 -0,07
Pharmaceutical 1 1,43 0,04
Gas & Multiutilities 13 18,57 0,00
Media 6 8,57 -0,13
Nolife Insurance 5 7,14 -0,30
Household goods 9 12,86 -0,26
Financial services 7 10,00 -0,05
Real Estate 6 8,57 -0,96
TOT 70 100 -1,80
7
ERRORI DI PREVISIONE
errori negativi
errori positivi NA,
errori negativi,
135, 64%
errori negativi
errori positivi NA,
errori positivi, 58,
28%
errori negativi
errori positivi NA,
NA, 17, 8%
errori negativi
errori positivi
NA
8
ERRORI DI PREVISIONE PER MARKET
VALUE
0-2000
2000-4000
4000-6000
6000-8000
8000-10000
30000-50000
9
10
Eccessivo
ottimismo
Over
confidence
Ancoraggio
Herding
behaviour
Senno di
poi
SOLUZIONI POSSIBILI
• Educazione finanziaria
• Regole di disclosure strutturate
• Consulenza finanziaria al servizio del cliente
11
GRAZIE PER L’ATTENZIONE
12

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L'applicazione della Prospect Theory al mercato azionario italiano durante la crisi finanziaria

  • 1. Università degli Studi di Roma "Tor Vergata“ Facoltà di Economia Corso di laurea in Economia dei Mercati e degli Intermediari Finanziari Tesi in Economia del Mercato Mobiliare "L’applicazione della Prospect Theory al mercato azionario italiano durante la crisi finanziaria” Il Relatore Chiar.mo Prof. Gianluca Mattarocci La laureanda Silvia Cerlenco Anno accademico 2010/11
  • 2. Dati campione • 70 società quotate • 10 settori: health & care, banks, personal good, pharmaceutical, gas e multiutilities , media, nolife insurance, household goods, financial services, real estate • periodo di riferimento: 2007-2009 • Prezzo azionario 31/12/t • EPS 31/12/t • Report analisti disponibili al 2007 • Capitalizzazione di Borsa 2
  • 3. METODOLOGIA Dove: EPSt = utili correnti realizzati nel periodo t FEPSyt = utili previsti dall’analisti y nel periodo t Pt = ultimo prezzo disponibile per il periodo t 3
  • 6. ANNO ERRORE DI PREVISIONE MEDIO DEVIAZIONE STANDARD 2007 -0,05 0,22 2008 -0,13 0,73 2009 -0,30 1,08 6
  • 7. SETTORE N. osservazioni Composizione % Errore di previsione medio Health & Care 2 2,86 -0,05 Banks 11 15,71 -0,01 Personal Goods 10 14,29 -0,07 Pharmaceutical 1 1,43 0,04 Gas & Multiutilities 13 18,57 0,00 Media 6 8,57 -0,13 Nolife Insurance 5 7,14 -0,30 Household goods 9 12,86 -0,26 Financial services 7 10,00 -0,05 Real Estate 6 8,57 -0,96 TOT 70 100 -1,80 7
  • 8. ERRORI DI PREVISIONE errori negativi errori positivi NA, errori negativi, 135, 64% errori negativi errori positivi NA, errori positivi, 58, 28% errori negativi errori positivi NA, NA, 17, 8% errori negativi errori positivi NA 8
  • 9. ERRORI DI PREVISIONE PER MARKET VALUE 0-2000 2000-4000 4000-6000 6000-8000 8000-10000 30000-50000 9
  • 11. SOLUZIONI POSSIBILI • Educazione finanziaria • Regole di disclosure strutturate • Consulenza finanziaria al servizio del cliente 11