ΠΠΊΠΎΠ½ΠΎΠΌΠ΅ΡΡΠΈΡΠ΅ΡΠΊΠΈΠΉ Π°Π½Π°Π»ΠΈΠ· Π²Π»ΠΈΡΠ½ΠΈΡ ΠΊΠ»ΡΡΠ΅Π²ΠΎΠΉ ΡΡΠ°Π²ΠΊΠΈ ΡΠ± Π½Π° Π²ΠΎΠ»Π°ΡΠΈΠ»ΡΠ½ΠΎΡΡΡ ΡΠΎΠ½Π΄ΠΎΠ²ΠΎΠ³ΠΎ ΡΡΠ½ΠΊΠ° ΠΌΠ΅ΡΠΎΠ΄Π°ΠΌΠΈ garch ΠΈ Π°ΠΏΠΏΡΠΎΠΊΡΠΈΠΌΠ°ΡΠΈΠΈ ΡΡΠ½ΠΊΡΠΈΠΉ
ΠΠ΅Ρ Π°Π½ΠΈΠ·ΠΌΡ ΡΡΠ°Π½ΡΠΌΠΈΡΡΠΈΠΈ Π΄Π΅Π½Π΅ΠΆΠ½ΠΎ-ΠΊΡΠ΅Π΄ΠΈΡΠ½ΠΎΠΉ ΠΏΠΎΠ»ΠΈΡΠΈΠΊΠΈ ΠΎΠΏΡΠ΅Π΄Π΅Π»ΡΡΡ ΡΡΡΠΎΠΉΡΠΈΠ²ΠΎΡΡΡ Π½Π°ΡΠΈΠΎΠ½Π°Π»ΡΠ½ΠΎΠ³ΠΎ ΡΠΈΠ½Π°Π½ΡΠΎΠ²ΠΎΠ³ΠΎ ΡΠ΅ΠΊΡΠΎΡΠ° ΡΠ΅ΡΠ΅Π· Π²ΠΎΠ·Π΄Π΅ΠΉΡΡΠ²ΠΈΠ΅ Π½Π° ΡΠΈΡΠΊΠΎΠ²ΡΠ΅ Ρ Π°ΡΠ°ΠΊΡΠ΅ΡΠΈΡΡΠΈΠΊΠΈ Π°ΠΊΡΠΈΠ²ΠΎΠ². ΠΡΠΈΠΌΠ΅Π½Π΅Π½ΠΈΠ΅ ΠΌΠΎΠ΄Π΅Π»Π΅ΠΉ ΡΠ΅ΠΌΠ΅ΠΉΡΡΠ²Π° GARCH Π² ΡΠΎΡΠ΅ΡΠ°Π½ΠΈΠΈ Ρ Π°Π»Π³ΠΎΡΠΈΡΠΌΠ°ΠΌΠΈ Π°ΠΏΠΏΡΠΎΠΊΡΠΈΠΌΠ°ΡΠΈΠΈ ΡΡΠ½ΠΊΡΠΈΠΉ ΠΏΠΎΠ·Π²ΠΎΠ»ΡΠ΅Ρ Π²ΡΡΠ²ΠΈΡΡ Π½Π΅Π»ΠΈΠ½Π΅ΠΉΠ½ΡΠ΅ Π·Π°Π²ΠΈΡΠΈΠΌΠΎΡΡΠΈ ΠΌΠ΅ΠΆΠ΄Ρ ΡΠ΅ΡΠ΅Π½ΠΈΡΠΌΠΈ ΡΠ΅Π³ΡΠ»ΡΡΠΎΡΠ° ΠΏΠΎ ΠΊΠ»ΡΡΠ΅Π²ΠΎΠΉ ΡΡΠ°Π²ΠΊΠ΅ ΠΈ Π΄ΠΈΠ½Π°ΠΌΠΈΠΊΠΎΠΉ ΡΡΠ½ΠΎΡΠ½ΠΎΠΉ Π²ΠΎΠ»Π°ΡΠΈΠ»ΡΠ½ΠΎΡΡΠΈ, ΠΎΠ±Π΅ΡΠΏΠ΅ΡΠΈΠ²Π°Ρ Π²ΡΡΠΎΠΊΡΡ ΡΠΎΡΠ½ΠΎΡΡΡ ΠΏΡΠΎΠ³Π½ΠΎΠ·Π½ΡΡ ΠΌΠΎΠ΄Π΅Π»Π΅ΠΉ Π² ΡΡΠ»ΠΎΠ²ΠΈΡΡ ΠΌΠ°ΠΊΡΠΎΡΠΊΠΎΠ½ΠΎΠΌΠΈΡΠ΅ΡΠΊΠΎΠΉ Π½Π΅ΡΡΠ°Π±ΠΈΠ»ΡΠ½ΠΎΡΡΠΈ.
AntevisΓ£o do Documento
Esta Γ© uma breve antevisΓ£o. A versΓ£o completa inclui texto expandido para todas as secΓ§Γ΅es, uma conclusΓ£o e uma bibliografia formatada.
DissertaΓ§Γ£o
Autor/a:
Group
Nome Completo
Orientador/a:
Prof. Dr./Dra. Nome
SumΓ‘rio
IntroduΓ§Γ£o
Π‘ΠΎΠ²ΡΠ΅ΠΌΠ΅Π½Π½ΠΎΠ΅ ΡΠΎΡΡΠΎΡΠ½ΠΈΠ΅ ΡΠΎΡΡΠΈΠΉΡΠΊΠΎΠ³ΠΎ ΡΠΈΠ½Π°Π½ΡΠΎΠ²ΠΎΠ³ΠΎ ΡΠ΅ΠΊΡΠΎΡΠ° Ρ Π°ΡΠ°ΠΊΡΠ΅ΡΠΈΠ·ΡΠ΅ΡΡΡ Π²ΡΡΠΎΠΊΠΎΠΉ ΡΡΠ²ΡΡΠ²ΠΈΡΠ΅Π»ΡΠ½ΠΎΡΡΡΡ ΠΊ ΠΈΠ·ΠΌΠ΅Π½Π΅Π½ΠΈΡΠΌ ΠΌΠ°ΠΊΡΠΎΡΠΊΠΎΠ½ΠΎΠΌΠΈΡΠ΅ΡΠΊΠΈΡ ΠΈΠ½Π΄ΠΈΠΊΠ°ΡΠΎΡΠΎΠ², ΡΡΠ΅Π΄ΠΈ ΠΊΠΎΡΠΎΡΡΡ ΠΊΠ»ΡΡΠ΅Π²Π°Ρ ΡΡΠ°Π²ΠΊΠ° Π¦Π΅Π½ΡΡΠ°Π»ΡΠ½ΠΎΠ³ΠΎ Π±Π°Π½ΠΊΠ° Π Π€ Π²ΡΡΡΡΠΏΠ°Π΅Ρ ΠΎΠΏΡΠ΅Π΄Π΅Π»ΡΡΡΠΈΠΌ ΡΠ°ΠΊΡΠΎΡΠΎΠΌ ΡΡΠ°Π±ΠΈΠ»ΡΠ½ΠΎΡΡΠΈ. ΠΠ°ΠΊ ΠΎΡΠΌΠ΅ΡΠ°ΡΡ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°ΡΠ΅Π»ΠΈ, ΡΠΎΠ½Π΄ΠΎΠ²ΡΠΉ ΠΈΠ½Π΄Π΅ΠΊΡ Π½Π°Ρ ΠΎΠ΄ΠΈΡΡΡ ΠΏΠΎΠ΄ Π²Π»ΠΈΡΠ½ΠΈΠ΅ΠΌ ΡΠΈΡΠΎΠΊΠΎΠ³ΠΎ ΡΠΏΠ΅ΠΊΡΡΠ° Π²Π½ΡΡΡΠ΅Π½Π½ΠΈΡ ΠΈ Π²Π½Π΅ΡΠ½ΠΈΡ ΡΠ°ΠΊΡΠΎΡΠΎΠ², ΡΡΠ΅ΠΏΠ΅Π½Ρ Π²ΠΎΠ·Π΄Π΅ΠΉΡΡΠ²ΠΈΡ ΠΊΠΎΡΠΎΡΡΡ Π½Π° Π²ΠΎΠ»Π°ΡΠΈΠ»ΡΠ½ΠΎΡΡΡ ΠΎΡΡΠ°Π΅ΡΡΡ Π½Π΅Π΄ΠΎΡΡΠ°ΡΠΎΡΠ½ΠΎ ΠΈΠ·ΡΡΠ΅Π½Π½ΠΎΠΉ [3]. Π ΡΡΠ»ΠΎΠ²ΠΈΡΡ ΡΠΊΠΎΠ½ΠΎΠΌΠΈΡΠ΅ΡΠΊΠΎΠΉ Π½Π΅ΠΎΠΏΡΠ΅Π΄Π΅Π»Π΅Π½Π½ΠΎΡΡΠΈ Π΄Π΅Π½Π΅ΠΆΠ½ΠΎ-ΠΊΡΠ΅Π΄ΠΈΡΠ½Π°Ρ ΠΏΠΎΠ»ΠΈΡΠΈΠΊΠ° (ΠΠΠ) ΡΡΠ°Π½ΠΎΠ²ΠΈΡΡΡ ΠΊΠ»ΡΡΠ΅Π²ΡΠΌ Π΄ΡΠ°ΠΉΠ²Π΅ΡΠΎΠΌ Π΄ΠΈΠ½Π°ΠΌΠΈΠΊΠΈ ΠΎΡΠ΅ΡΠ΅ΡΡΠ²Π΅Π½Π½ΠΎΠ³ΠΎ ΡΡΠ½ΠΊΠ°, ΠΏΡΡΠΌΠΎ Π²Π»ΠΈΡΡ Π½Π° Π΄ΠΎΡ ΠΎΠ΄Π½ΠΎΡΡΡ ΠΈΠ½Π΄Π΅ΠΊΡΠ° ΠΠΠΠ ΠΈ ΡΡΡΠ°ΡΠ΅Π³ΠΈΠΈ ΡΡΠ°ΡΡΠ½ΠΈΠΊΠΎΠ² ΡΠΎΡΠ³ΠΎΠ² [4]. ΠΠΎΠ½ΠΈΠΌΠ°Π½ΠΈΠ΅ ΠΌΠ΅Ρ Π°Π½ΠΈΠ·ΠΌΠΎΠ² ΡΡΠΎΠ³ΠΎ Π²Π»ΠΈΡΠ½ΠΈΡ Π½Π΅ΠΎΠ±Ρ ΠΎΠ΄ΠΈΠΌΠΎ Π΄Π»Ρ ΠΎΠ±Π΅ΡΠΏΠ΅ΡΠ΅Π½ΠΈΡ ΡΠΈΠ½Π°Π½ΡΠΎΠ²ΠΎΠΉ Π±Π΅Π·ΠΎΠΏΠ°ΡΠ½ΠΎΡΡΠΈ ΠΈ ΡΡΡΠ΅ΠΊΡΠΈΠ²Π½ΠΎΠ³ΠΎ ΡΠΏΡΠ°Π²Π»Π΅Π½ΠΈΡ ΠΈΠ½Π²Π΅ΡΡΠΈΡΠΈΠΎΠ½Π½ΡΠΌΠΈ ΠΏΠΎΡΡΡΠ΅Π»ΡΠΌΠΈ.
ΠΡΠΎΠ±Π»Π΅ΠΌΠ° ΠΏΡΠΎΠ³Π½ΠΎΠ·ΠΈΡΠΎΠ²Π°Π½ΠΈΡ ΡΡΠ½ΠΎΡΠ½ΠΎΠΉ ΠΈΠ·ΠΌΠ΅Π½ΡΠΈΠ²ΠΎΡΡΠΈ ΡΡΠ΅Π±ΡΠ΅Ρ ΠΏΡΠΈΠΌΠ΅Π½Π΅Π½ΠΈΡ ΠΏΠ΅ΡΠ΅Π΄ΠΎΠ²ΠΎΠ³ΠΎ ΠΌΠ°ΡΠ΅ΠΌΠ°ΡΠΈΡΠ΅ΡΠΊΠΎΠ³ΠΎ Π°ΠΏΠΏΠ°ΡΠ°ΡΠ°. ΠΠΊΠΎΠ½ΠΎΠΌΠ΅ΡΡΠΈΡΠ΅ΡΠΊΠΎΠ΅ ΠΌΠΎΠ΄Π΅Π»ΠΈΡΠΎΠ²Π°Π½ΠΈΠ΅ Π²ΠΎΠ»Π°ΡΠΈΠ»ΡΠ½ΠΎΡΡΠΈ, Π² ΡΠ°ΡΡΠ½ΠΎΡΡΠΈ ΠΈΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°Π½ΠΈΠ΅ ΠΌΠΎΠ΄Π΅Π»Π΅ΠΉ ΡΠ΅ΠΌΠ΅ΠΉΡΡΠ²Π° GARCH, ΠΏΠΎΠ·Π²ΠΎΠ»ΡΠ΅Ρ Π½Π΅ ΡΠΎΠ»ΡΠΊΠΎ Π°Π½Π°Π»ΠΈΠ·ΠΈΡΠΎΠ²Π°ΡΡ ΠΈΡΡΠΎΡΠΈΡΠ΅ΡΠΊΠΈΠ΅ Π΄Π°Π½Π½ΡΠ΅, Π½ΠΎ ΠΈ Π²ΡΠ±ΠΈΡΠ°ΡΡ ΠΎΠΏΡΠΈΠΌΠ°Π»ΡΠ½ΡΠ΅ ΠΊΡΠΈΡΠ΅ΡΠΈΠΈ Π΄Π»Ρ ΠΏΡΠ΅Π΄ΡΠΊΠ°Π·Π°Π½ΠΈΡ Π±ΡΠ΄ΡΡΠΈΡ ΠΊΠΎΠ»Π΅Π±Π°Π½ΠΈΠΉ, ΡΡΠΎ ΠΊΡΠΈΡΠΈΡΠ΅ΡΠΊΠΈ Π²Π°ΠΆΠ½ΠΎ Π² ΠΏΠ΅ΡΠΈΠΎΠ΄Ρ ΠΊΡΠΈΠ·ΠΈΡΠΎΠ² [1]. ΠΡΠΈ ΡΡΠΎΠΌ ΠΊΠ»ΡΡΠ΅Π²Π°Ρ ΡΡΠ°Π²ΠΊΠ° ΡΠ°ΡΡΠΌΠ°ΡΡΠΈΠ²Π°Π΅ΡΡΡ ΠΊΠ°ΠΊ ΡΡΠ½Π΄Π°ΠΌΠ΅Π½ΡΠ°Π»ΡΠ½Π°Ρ ΠΏΠ΅ΡΠ΅ΠΌΠ΅Π½Π½Π°Ρ Π² ΡΡΠ΄Ρ Π΄ΡΡΠ³ΠΈΡ ΠΌΠΎΠ½Π΅ΡΠ°ΡΠ½ΡΡ Π°Π³ΡΠ΅Π³Π°ΡΠΎΠ², ΠΎΠΏΡΠ΅Π΄Π΅Π»ΡΡΡΠΈΡ Π΄ΠΎΠ»Π³ΠΎΡΡΠΎΡΠ½ΡΡ ΡΡΠ°Π΅ΠΊΡΠΎΡΠΈΡ ΡΠΎΠ½Π΄ΠΎΠ²ΠΎΠ³ΠΎ ΡΡΠ½ΠΊΠ° [5]. Π‘ΠΎΡΠ΅ΡΠ°Π½ΠΈΠ΅ ΠΊΠ»Π°ΡΡΠΈΡΠ΅ΡΠΊΠΈΡ ΡΠΊΠΎΠ½ΠΎΠΌΠ΅ΡΡΠΈΡΠ΅ΡΠΊΠΈΡ ΠΌΠ΅ΡΠΎΠ΄ΠΎΠ² Ρ Π°Π»Π³ΠΎΡΠΈΡΠΌΠ°ΠΌΠΈ Π°ΠΏΠΏΡΠΎΠΊΡΠΈΠΌΠ°ΡΠΈΠΈ ΡΡΠ½ΠΊΡΠΈΠΉ ΠΏΠΎΠ·Π²ΠΎΠ»ΡΠ΅Ρ Π±ΠΎΠ»Π΅Π΅ ΡΠΎΡΠ½ΠΎ ΠΎΠΏΠΈΡΡΠ²Π°ΡΡ ΡΠ»ΠΎΠΆΠ½ΡΠ΅, Π·Π°ΡΠ°ΡΡΡΡ Π½Π΅Π»ΠΈΠ½Π΅ΠΉΠ½ΡΠ΅ ΡΠ΅Π°ΠΊΡΠΈΠΈ ΠΈΠ½Π²Π΅ΡΡΠΎΡΠΎΠ² Π½Π° ΡΠ΅ΡΠ΅Π½ΠΈΡ ΡΠ΅Π³ΡΠ»ΡΡΠΎΡΠ°.
ΠΠ΅ΠΆΠ΄ΡΠ½Π°ΡΠΎΠ΄Π½ΡΠΉ ΠΎΠΏΡΡ ΠΏΠΎΠ΄ΡΠ²Π΅ΡΠΆΠ΄Π°Π΅Ρ Π·Π½Π°ΡΠΈΠΌΠΎΡΡΡ ΠΏΡΠΎΡΠ΅Π½ΡΠ½ΡΡ ΠΈΠΌΠΏΡΠ»ΡΡΠΎΠ² Π΄Π»Ρ Π΄ΠΈΠ½Π°ΠΌΠΈΠΊΠΈ ΠΊΠ°ΠΏΠΈΡΠ°Π»Π°. ΠΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΡ ΠΏΠΎΠΊΠ°Π·ΡΠ²Π°ΡΡ, ΡΡΠΎ ΠΆΠ΅ΡΡΠΊΠ°Ρ ΠΌΠΎΠ½Π΅ΡΠ°ΡΠ½Π°Ρ ΠΏΠΎΠ»ΠΈΡΠΈΠΊΠ° Π²ΡΠ·ΡΠ²Π°Π΅Ρ ΠΊΡΠ°ΡΠΊΠΎΡΡΠΎΡΠ½ΡΠ΅ Π²ΡΠΏΠ»Π΅ΡΠΊΠΈ Π²ΠΎΠ»Π°ΡΠΈΠ»ΡΠ½ΠΎΡΡΠΈ ΠΊΠ°ΠΊ Π½Π° Π³ΠΎΡΡΠ΄Π°ΡΡΡΠ²Π΅Π½Π½ΡΡ , ΡΠ°ΠΊ ΠΈ Π½Π° ΠΊΠΎΡΠΏΠΎΡΠ°ΡΠΈΠ²Π½ΡΡ ΡΡΠ½ΠΊΠ°Ρ ΠΎΠ±Π»ΠΈΠ³Π°ΡΠΈΠΉ ΠΈ Π°ΠΊΡΠΈΠΉ [11]. Π ΡΡΡΠ°Π½Π°Ρ Ρ ΡΠ°Π·Π²ΠΈΠ²Π°ΡΡΠ΅ΠΉΡΡ ΡΠΊΠΎΠ½ΠΎΠΌΠΈΠΊΠΎΠΉ, ΡΠ°ΠΊΠΈΡ ΠΊΠ°ΠΊ Π’ΡΡΡΠΈΡ, Π²Π½ΡΡΡΠ΅Π½Π½ΠΈΠ΅ ΡΠΈΡΠΊΠΎΠ²ΡΠ΅ ΠΈΠ½Π΄ΠΈΠΊΠ°ΡΠΎΡΡ, Π²ΠΊΠ»ΡΡΠ°Ρ ΠΏΡΠΎΡΠ΅Π½ΡΠ½ΡΠ΅ ΡΡΠ°Π²ΠΊΠΈ, ΠΏΡΠΈΠ·Π½Π°ΡΡΡΡ Π½Π°ΠΈΠ±ΠΎΠ»Π΅Π΅ Π²Π»ΠΈΡΡΠ΅Π»ΡΠ½ΡΠΌΠΈ Π΄ΡΠ°ΠΉΠ²Π΅ΡΠ°ΠΌΠΈ Π΄ΠΎΠ»Π³ΠΎΡΡΠΎΡΠ½ΡΡ ΠΏΠΎΠΊΠ°Π·Π°ΡΠ΅Π»Π΅ΠΉ ΡΠΎΠ½Π΄ΠΎΠ²ΠΎΠ³ΠΎ ΡΡΠ½ΠΊΠ° ΠΏΠΎ ΡΡΠ°Π²Π½Π΅Π½ΠΈΡ Ρ Π³Π»ΠΎΠ±Π°Π»ΡΠ½ΡΠΌΠΈ ΡΠ°ΠΊΡΠΎΡΠ°ΠΌΠΈ [10]. Π ΠΡΠΌΠ΅Π½ΠΈΠΈ ΡΠ°ΠΊΠΆΠ΅ Π·Π°ΡΠΈΠΊΡΠΈΡΠΎΠ²Π°Π½ΠΎ, ΡΡΠΎ ΡΡΠ΅Π½Π°ΡΠΈΠΈ Π°Π³ΡΠ΅ΡΡΠΈΠ²Π½ΠΎΠ³ΠΎ ΠΏΠΎΠ²ΡΡΠ΅Π½ΠΈΡ ΡΡΠ°Π²ΠΎΠΊ Π½Π΅ΠΈΠ·Π±Π΅ΠΆΠ½ΠΎ Π²Π΅Π΄ΡΡ ΠΊ ΡΠΎΡΡΡ ΡΡΠ½ΠΎΡΠ½ΠΎΠΉ Π½Π΅ΠΎΠΏΡΠ΅Π΄Π΅Π»Π΅Π½Π½ΠΎΡΡΠΈ [12]. ΠΡΠΎ ΠΏΠΎΠ΄ΡΠ΅ΡΠΊΠΈΠ²Π°Π΅Ρ ΡΠ½ΠΈΠ²Π΅ΡΡΠ°Π»ΡΠ½ΠΎΡΡΡ ΠΈ ΠΎΠ΄Π½ΠΎΠ²ΡΠ΅ΠΌΠ΅Π½Π½ΠΎ ΡΠΏΠ΅ΡΠΈΡΠΈΡΠ½ΠΎΡΡΡ ΠΈΡΡΠ»Π΅Π΄ΡΠ΅ΠΌΠΎΠΉ ΠΏΡΠΎΠ±Π»Π΅ΠΌΡ Π΄Π»Ρ ΡΠ°Π·Π»ΠΈΡΠ½ΡΡ ΡΠΊΠΎΠ½ΠΎΠΌΠΈΡΠ΅ΡΠΊΠΈΡ ΡΠΈΡΡΠ΅ΠΌ.
ΠΠ°ΠΆΠ½ΡΠΌ Π°ΡΠΏΠ΅ΠΊΡΠΎΠΌ Π²ΡΡΡΡΠΏΠ°Π΅Ρ Π½Π΅ ΡΠΎΠ»ΡΠΊΠΎ ΡΠ°ΠΊΡΠΈΡΠ΅ΡΠΊΠΎΠ΅ ΠΈΠ·ΠΌΠ΅Π½Π΅Π½ΠΈΠ΅ ΡΡΠ°Π²ΠΊΠΈ, Π½ΠΎ ΠΈ ΠΊΠΎΠΌΠΌΡΠ½ΠΈΠΊΠ°ΡΠΈΠΎΠ½Π½Π°Ρ ΠΏΠΎΠ»ΠΈΡΠΈΠΊΠ° ΡΠ΅Π³ΡΠ»ΡΡΠΎΡΠ°. ΠΡΠ΅ΡΡ-ΡΠ΅Π»ΠΈΠ·Ρ ΠΈ ΡΠΈΠ³Π½Π°Π»Ρ ΠΎ Π±ΡΠ΄ΡΡΠΈΡ Π½Π°ΠΌΠ΅ΡΠ΅Π½ΠΈΡΡ Π¦Π ΠΈΠ³ΡΠ°ΡΡ Π·Π½Π°ΡΠΈΡΠ΅Π»ΡΠ½ΡΡ ΡΠΎΠ»Ρ Π² ΡΠΎΡΠΌΠΈΡΠΎΠ²Π°Π½ΠΈΠΈ ΡΡΠ½ΠΎΡΠ½ΡΡ ΠΎΠΆΠΈΠ΄Π°Π½ΠΈΠΉ ΠΈ ΠΌΠΎΠ³ΡΡ Π²ΡΡΡΡΠΏΠ°ΡΡ ΡΠ°ΠΌΠΎΡΡΠΎΡΡΠ΅Π»ΡΠ½ΡΠΌ ΡΠ°ΠΊΡΠΎΡΠΎΠΌ Π²ΠΎΠ»Π°ΡΠΈΠ»ΡΠ½ΠΎΡΡΠΈ [13]. ΠΠΎΡΠΏΡΠΈΡΡΠΈΠ΅ ΡΡΠ°ΡΡΠ½ΠΈΠΊΠ°ΠΌΠΈ ΡΡΠ½ΠΊΠ° ΠΌΠ°ΠΊΡΠΎΡΠΊΠΎΠ½ΠΎΠΌΠΈΡΠ΅ΡΠΊΠΈΡ Π½ΠΎΠ²ΠΎΡΡΠ΅ΠΉ ΡΠ°ΡΡΠΎ ΠΏΡΠΎΠ²ΠΎΡΠΈΡΡΠ΅Ρ ΡΠΎΠΊΠΎΠ²ΡΠ΅ ΠΈΠ·ΠΌΠ΅Π½Π΅Π½ΠΈΡ ΡΠ΅Π½, ΡΡΠΎ ΡΡΠ΅Π±ΡΠ΅Ρ Π²ΠΊΠ»ΡΡΠ΅Π½ΠΈΡ ΠΈΠ½ΡΠΎΡΠΌΠ°ΡΠΈΠΎΠ½Π½ΡΡ ΠΏΠ΅ΡΠ΅ΠΌΠ΅Π½Π½ΡΡ Π² ΡΠΊΠΎΠ½ΠΎΠΌΠ΅ΡΡΠΈΡΠ΅ΡΠΊΠΈΠ΅ ΠΌΠΎΠ΄Π΅Π»ΠΈ [14]. ΠΠ½ΡΠ΅Π³ΡΠ°ΡΠΈΡ ΠΌΠ΅ΡΠΎΠ΄ΠΎΠ² Π°ΠΏΠΏΡΠΎΠΊΡΠΈΠΌΠ°ΡΠΈΠΈ ΡΡΠ½ΠΊΡΠΈΠΉ Π² Π°Π½Π°Π»ΠΈΠ· ΠΏΠΎΠ·Π²ΠΎΠ»ΡΠ΅Ρ ΡΠ»ΠΎΠ²ΠΈΡΡ ΡΠΎΠ½ΠΊΠΈΠ΅ Π½ΡΠ°Π½ΡΡ ΡΠ°ΠΊΠΎΠΉ ΡΠ΅Π°ΠΊΡΠΈΠΈ, ΠΊΠΎΡΠΎΡΡΠ΅ ΠΌΠΎΠ³ΡΡ Π±ΡΡΡ ΠΏΡΠΎΠΏΡΡΠ΅Π½Ρ ΡΡΠ°Π½Π΄Π°ΡΡΠ½ΡΠΌΠΈ Π»ΠΈΠ½Π΅ΠΉΠ½ΡΠΌΠΈ ΠΌΠΎΠ΄Π΅Π»ΡΠΌΠΈ.
ΠΠΎΠΏΠΎΠ»Π½ΠΈΡΠ΅Π»ΡΠ½ΡΡ ΡΠ»ΠΎΠΆΠ½ΠΎΡΡΡ Π²Π½ΠΎΡΠΈΡ Π²Π»ΠΈΡΠ½ΠΈΠ΅ ΡΠΎΠΏΡΡΡΡΠ²ΡΡΡΠΈΡ ΡΠΊΠΎΠ½ΠΎΠΌΠΈΡΠ΅ΡΠΊΠΈΡ ΠΏΠΎΠΊΠ°Π·Π°ΡΠ΅Π»Π΅ΠΉ, ΡΠ°ΠΊΠΈΡ ΠΊΠ°ΠΊ ΡΠΏΡΠ΅Π΄Ρ Π΄ΠΎΡ ΠΎΠ΄Π½ΠΎΡΡΠΈ ΠΎΠ±Π»ΠΈΠ³Π°ΡΠΈΠΉ ΠΈ ΠΌΠ°ΠΊΡΠΎΡΠΊΠΎΠ½ΠΎΠΌΠΈΡΠ΅ΡΠΊΠ°Ρ ΡΡΠ°ΡΠΈΡΡΠΈΠΊΠ° [2]. ΠΠ΅ΠΎΠ±Ρ ΠΎΠ΄ΠΈΠΌΠΎΡΡΡ ΡΡΠ΅ΡΠ° ΡΡΠΈΡ ΡΠ°ΠΊΡΠΎΡΠΎΠ² Π² ΡΠ°ΠΌΠΊΠ°Ρ Π΅Π΄ΠΈΠ½ΠΎΠ³ΠΎ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΡ Π΄ΠΈΠΊΡΡΠ΅Ρ Π²ΡΠ±ΠΎΡ ΠΌΠ΅ΡΠΎΠ΄ΠΎΠ»ΠΎΠ³ΠΈΠΈ GARCH, ΡΠΏΠΎΡΠΎΠ±Π½ΠΎΠΉ ΡΡΠΈΡΡΠ²Π°ΡΡ ΠΊΠ»Π°ΡΡΠ΅ΡΠΈΠ·Π°ΡΠΈΡ Π²ΠΎΠ»Π°ΡΠΈΠ»ΡΠ½ΠΎΡΡΠΈ ΠΈ ΡΡΡΠ΅ΠΊΡ Β«ΠΏΠ°ΠΌΡΡΠΈΒ» ΡΡΠ½ΠΊΠ°. Π ΡΠΎ ΠΆΠ΅ Π²ΡΠ΅ΠΌΡ, Π²Π½Π΅ΡΠ½ΠΈΠ΅ ΡΠΎΠΊΠΈ, Π²ΠΊΠ»ΡΡΠ°Ρ ΠΊΠΎΠ»Π΅Π±Π°Π½ΠΈΡ ΡΠ΅Π½ Π½Π° ΡΠ½Π΅ΡΠ³ΠΎΠ½ΠΎΡΠΈΡΠ΅Π»ΠΈ ΠΈ Π³Π»ΠΎΠ±Π°Π»ΡΠ½ΡΠ΅ ΡΠ΅ΡΠ΅ΡΡΠΈΠΎΠ½Π½ΡΠ΅ ΡΡΠ΅Π½Π΄Ρ, ΡΠΎΠ·Π΄Π°ΡΡ ΡΠΏΠ΅ΡΠΈΡΠΈΡΠ΅ΡΠΊΠΈΠΉ ΡΠΎΠ½ Π΄Π»Ρ ΠΏΡΠΎΠ²Π΅Π΄Π΅Π½ΠΈΡ ΠΠΠ [9][7]. ΠΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΠ΅ ΡΡΠΈΡ Π²Π·Π°ΠΈΠΌΠΎΡΠ²ΡΠ·Π΅ΠΉ ΠΌΠ΅ΡΠΎΠ΄Π°ΠΌΠΈ Π°ΠΏΠΏΡΠΎΠΊΡΠΈΠΌΠ°ΡΠΈΠΈ ΠΏΠΎΠ·Π²ΠΎΠ»ΡΠ΅Ρ ΠΏΠΎΡΡΡΠΎΠΈΡΡ Π±ΠΎΠ»Π΅Π΅ Π³ΠΈΠ±ΠΊΠΈΠ΅ ΠΈ Π°Π΄Π°ΠΏΡΠΈΠ²Π½ΡΠ΅ ΠΏΡΠΎΠ³Π½ΠΎΠ·Π½ΡΠ΅ ΠΌΠΎΠ΄Π΅Π»ΠΈ, ΠΏΡΠΈΠΌΠ΅Π½ΠΈΠΌΡΠ΅ Π² ΡΡΠ»ΠΎΠ²ΠΈΡΡ ΡΡΡΡΠΊΡΡΡΠ½ΡΡ ΡΠ΄Π²ΠΈΠ³ΠΎΠ² Π² ΡΠΊΠΎΠ½ΠΎΠΌΠΈΠΊΠ΅.
Π¦Π΅Π»ΡΡ Π΄Π°Π½Π½ΠΎΠΉ ΡΠ°Π±ΠΎΡΡ ΡΠ²Π»ΡΠ΅ΡΡΡ ΡΠ°Π·ΡΠ°Π±ΠΎΡΠΊΠ° ΠΈ Π°ΠΏΡΠΎΠ±Π°ΡΠΈΡ ΠΊΠΎΠΌΠΏΠ»Π΅ΠΊΡΠ½ΠΎΠ³ΠΎ ΡΠΊΠΎΠ½ΠΎΠΌΠ΅ΡΡΠΈΡΠ΅ΡΠΊΠΎΠ³ΠΎ ΠΏΠΎΠ΄Ρ ΠΎΠ΄Π° ΠΊ ΠΎΡΠ΅Π½ΠΊΠ΅ Π²Π»ΠΈΡΠ½ΠΈΡ ΠΊΠ»ΡΡΠ΅Π²ΠΎΠΉ ΡΡΠ°Π²ΠΊΠΈ Π½Π° Π²ΠΎΠ»Π°ΡΠΈΠ»ΡΠ½ΠΎΡΡΡ ΡΠΎΠ½Π΄ΠΎΠ²ΠΎΠ³ΠΎ ΡΡΠ½ΠΊΠ°. ΠΠ»Ρ Π΄ΠΎΡΡΠΈΠΆΠ΅Π½ΠΈΡ ΠΏΠΎΡΡΠ°Π²Π»Π΅Π½Π½ΠΎΠΉ ΡΠ΅Π»ΠΈ Π½Π΅ΠΎΠ±Ρ ΠΎΠ΄ΠΈΠΌΠΎ ΡΠ΅ΡΠΈΡΡ Π·Π°Π΄Π°ΡΠΈ ΠΏΠΎ ΡΠΈΡΡΠ΅ΠΌΠ°ΡΠΈΠ·Π°ΡΠΈΠΈ ΡΠ°ΠΊΡΠΎΡΠΎΠ² ΡΡΡΠ΅ΠΊΡΠΈΠ²Π½ΠΎΡΡΠΈ ΡΡΠ½ΠΊΠ°, ΠΎΠ±ΠΎΡΠ½ΠΎΠ²Π°Π½ΠΈΡ Π²ΡΠ±ΠΎΡΠ° ΡΠΏΠ΅ΡΠΈΡΠΈΠΊΠ°ΡΠΈΠΉ GARCH ΠΈ ΠΏΡΠΈΠΌΠ΅Π½Π΅Π½ΠΈΡ ΡΠ΅Ρ Π½ΠΈΠΊ ΡΡΠ½ΠΊΡΠΈΠΎΠ½Π°Π»ΡΠ½ΠΎΠΉ Π°ΠΏΠΏΡΠΎΠΊΡΠΈΠΌΠ°ΡΠΈΠΈ Π΄Π»Ρ ΡΡΠΎΡΠ½Π΅Π½ΠΈΡ ΠΏΠ°ΡΠ°ΠΌΠ΅ΡΡΠΎΠ² ΠΌΠΎΠ΄Π΅Π»Π΅ΠΉ. ΠΠ±ΡΠ΅ΠΊΡΠΎΠΌ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΡ Π²ΡΡΡΡΠΏΠ°Π΅Ρ Π²ΠΎΠ»Π°ΡΠΈΠ»ΡΠ½ΠΎΡΡΡ ΡΠΎΡΡΠΈΠΉΡΠΊΠΎΠ³ΠΎ ΡΠΎΠ½Π΄ΠΎΠ²ΠΎΠ³ΠΎ ΡΡΠ½ΠΊΠ°, Π° ΠΏΡΠ΅Π΄ΠΌΠ΅ΡΠΎΠΌ β ΡΡΠ°ΡΠΈΡΡΠΈΡΠ΅ΡΠΊΠΈΠ΅ Π·Π°ΠΊΠΎΠ½ΠΎΠΌΠ΅ΡΠ½ΠΎΡΡΠΈ Π΅Ρ ΡΡΠ°Π½ΡΡΠΎΡΠΌΠ°ΡΠΈΠΈ ΠΏΠΎΠ΄ Π²ΠΎΠ·Π΄Π΅ΠΉΡΡΠ²ΠΈΠ΅ΠΌ ΡΠ΅ΡΠ΅Π½ΠΈΠΉ ΠΠ°Π½ΠΊΠ° Π ΠΎΡΡΠΈΠΈ.
ΠΠ°ΡΡΠ½Π°Ρ Π½ΠΎΠ²ΠΈΠ·Π½Π° ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΡ Π·Π°ΠΊΠ»ΡΡΠ°Π΅ΡΡΡ Π² ΠΈΠ½ΡΠ΅Π³ΡΠ°ΡΠΈΠΈ ΠΌΠ΅ΡΠΎΠ΄ΠΎΠ² Π°ΠΏΠΏΡΠΎΠΊΡΠΈΠΌΠ°ΡΠΈΠΈ ΡΡΠ½ΠΊΡΠΈΠΉ Π² ΡΡΠ°Π΄ΠΈΡΠΈΠΎΠ½Π½ΡΠΉ GARCH-Π°Π½Π°Π»ΠΈΠ· Π΄Π»Ρ ΠΎΡΠ΅Π½ΠΊΠΈ ΡΡΠ°Π½ΡΠΌΠΈΡΡΠΈΠΈ ΠΌΠΎΠ½Π΅ΡΠ°ΡΠ½ΠΎΠΉ ΠΏΠΎΠ»ΠΈΡΠΈΠΊΠΈ, ΡΡΠΎ ΠΏΠΎΠ·Π²ΠΎΠ»ΡΠ΅Ρ ΠΏΠΎΠ²ΡΡΠΈΡΡ ΡΠΎΡΠ½ΠΎΡΡΡ ΠΌΠΎΠ΄Π΅Π»ΠΈΡΠΎΠ²Π°Π½ΠΈΡ Π² ΠΏΠ΅ΡΠΈΠΎΠ΄Ρ ΡΠ΅Π·ΠΊΠΈΡ ΠΈΠ·ΠΌΠ΅Π½Π΅Π½ΠΈΠΉ ΠΏΡΠΎΡΠ΅Π½ΡΠ½ΡΡ ΡΡΠ°Π²ΠΎΠΊ. ΠΡΠ°ΠΊΡΠΈΡΠ΅ΡΠΊΠ°Ρ Π·Π½Π°ΡΠΈΠΌΠΎΡΡΡ ΡΠ°Π±ΠΎΡΡ ΡΠΎΡΡΠΎΠΈΡ Π² Π²ΠΎΠ·ΠΌΠΎΠΆΠ½ΠΎΡΡΠΈ ΠΈΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°Π½ΠΈΡ ΠΏΠΎΠ»ΡΡΠ΅Π½Π½ΡΡ ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΠΎΠ² ΠΈΠ½Π²Π΅ΡΡΠΎΡΠ°ΠΌΠΈ Π΄Π»Ρ ΠΏΡΠΎΠ³Π½ΠΎΠ·ΠΈΡΠΎΠ²Π°Π½ΠΈΡ ΡΠΈΡΠΊΠΎΠ² ΠΈ ΡΠ΅Π³ΡΠ»ΡΡΠΎΡΠΎΠΌ Π΄Π»Ρ ΠΎΡΠ΅Π½ΠΊΠΈ ΠΏΠΎΡΠ΅Π½ΡΠΈΠ°Π»ΡΠ½ΠΎΠ³ΠΎ Π²ΠΎΠ·Π΄Π΅ΠΉΡΡΠ²ΠΈΡ ΡΠ΅ΡΠ΅Π½ΠΈΠΉ ΠΏΠΎ ΠΊΠ»ΡΡΠ΅Π²ΠΎΠΉ ΡΡΠ°Π²ΠΊΠ΅ Π½Π° ΡΡΠ½ΠΎΡΠ½ΡΡ ΡΡΠ°Π±ΠΈΠ»ΡΠ½ΠΎΡΡΡ.
Π‘ΡΡΡΠΊΡΡΡΠ° Π΄ΠΈΡΡΠ΅ΡΡΠ°ΡΠΈΠΈ Π²ΠΊΠ»ΡΡΠ°Π΅Ρ Π²Π²Π΅Π΄Π΅Π½ΠΈΠ΅, ΡΠ΅ΡΡΡ Π³Π»Π°Π², Π·Π°ΠΊΠ»ΡΡΠ΅Π½ΠΈΠ΅ ΠΈ ΡΠΏΠΈΡΠΎΠΊ Π»ΠΈΡΠ΅ΡΠ°ΡΡΡΡ. ΠΠ΅ΡΠ²Π°Ρ Π³Π»Π°Π²Π° ΠΏΠΎΡΠ²ΡΡΠ΅Π½Π° ΡΠ΅ΠΎΡΠ΅ΡΠΈΡΠ΅ΡΠΊΠΎΠΌΡ ΠΎΠ±ΠΎΡΠ½ΠΎΠ²Π°Π½ΠΈΡ ΡΠ²ΡΠ·ΠΈ ΠΠΠ ΠΈ ΡΠΎΠ½Π΄ΠΎΠ²ΠΎΠ³ΠΎ ΡΡΠ½ΠΊΠ°. ΠΡΠΎΡΠ°Ρ Π³Π»Π°Π²Π° Π°Π½Π°Π»ΠΈΠ·ΠΈΡΡΠ΅Ρ ΡΠΏΠ΅ΡΠΈΡΠΈΠΊΡ ΡΠΎΡΡΠΈΠΉΡΠΊΠΎΠ³ΠΎ ΠΊΠΎΠ½ΡΠ΅ΠΊΡΡΠ°. Π ΡΡΠ΅ΡΡΠ΅ΠΉ ΠΈ ΡΠ΅ΡΠ²Π΅ΡΡΠΎΠΉ Π³Π»Π°Π²Π°Ρ ΠΏΠΎΠ΄ΡΠΎΠ±Π½ΠΎ ΠΎΠΏΠΈΡΡΠ²Π°Π΅ΡΡΡ ΠΌΠ΅ΡΠΎΠ΄ΠΎΠ»ΠΎΠ³ΠΈΡ ΠΈ ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΡ ΡΠΌΠΏΠΈΡΠΈΡΠ΅ΡΠΊΠΈΡ ΡΠ°ΡΡΠ΅ΡΠΎΠ². ΠΡΡΠ°Ρ Π³Π»Π°Π²Π° ΡΠ°ΡΡΠΈΡΡΠ΅Ρ Π°Π½Π°Π»ΠΈΠ· Π½Π° ΡΠ΅ΠΊΡΠΎΡΠ°Π»ΡΠ½ΡΠ΅ ΡΡΠΎΠ²Π½ΠΈ ΠΈ Π²Π½Π΅ΡΠ½ΠΈΠ΅ ΡΠ°ΠΊΡΠΎΡΡ. Π¨Π΅ΡΡΠ°Ρ Π³Π»Π°Π²Π° ΡΠΎΠ΄Π΅ΡΠΆΠΈΡ ΠΏΡΠ°ΠΊΡΠΈΡΠ΅ΡΠΊΠΈΠ΅ ΡΠ΅ΠΊΠΎΠΌΠ΅Π½Π΄Π°ΡΠΈΠΈ ΠΈ ΠΏΡΠΎΠ³Π½ΠΎΠ·Π½ΡΠ΅ ΡΡΠ΅Π½Π°ΡΠΈΠΈ ΡΠ°Π·Π²ΠΈΡΠΈΡ ΡΡΠ½ΠΊΠ°.
ReferΓͺncias
- ΠΠΎΠ΄Π΅Π»ΠΈΡΠΎΠ²Π°Π½ΠΈΠ΅ Π²ΠΎΠ»Π°ΡΠΈΠ»ΡΠ½ΠΎΡΡΠΈ ΡΠΎΠ½Π΄ΠΎΠ²ΠΎΠ³ΠΎ ΡΡΠ½ΠΊΠ° Π² ΠΏΠ΅ΡΠΈΠΎΠ΄ ΠΊΡΠΈΠ·ΠΈΡΠ° (2011)Π€ΡΠ΄ΠΎΡΠΎΠ²Π° Π. Π., ΠΠ°Π½ΠΊΡΠ°ΡΠΎΠ² Π. Π.Fonte Aberta
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