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SLIDE 1

❙②st❡♠✐❝ ❜❛♥❦s ❛♥❞ t❤❡ ❧❡♥❞❡r ♦❢ ❧❛st r❡s♦rt

❏♦r❣❡ P♦♥❝❡ 1 ▼❛r❝ ❘❡♥♥❡rt 2

1❇❛♥❝♦ ❈❡♥tr❛❧ ❞❡❧ ❯r✉❣✉❛② 2❉❡✉ts❝❤❡ ❇✉♥❞❡s❜❛♥❦

❇❛♥❝♦ ❈❡♥tr❛❧ ❞♦ ❇r❛s✐❧ ✲ ✾ ❆✉❣✉st ✷✵✶✸

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SLIDE 2

❉✐s❝❧❛✐♠❡r

❚❤❡ ✈✐❡✇s ✐♥ t❤✐s ♣r❡s❡♥t❛t✐♦♥ ❛r❡ t❤♦s❡ ♦❢ t❤❡ ❛✉t❤♦rs ❛♥❞ ♥♦t ♦❢ t❤❡ ❇❛♥❝♦ ❈❡♥tr❛❧ ❞❡❧ ❯r✉❣✉❛② ♥♦r ♦❢ t❤❡ ❉❡✉ts❝❤❡ ❇✉♥❞❡s❜❛♥❦

P♦♥❝❡ ❛♥❞ ❘❡♥♥❡rt ✭❇❈❯ ❛♥❞ ❉❇✮ ❙②st❡♠✐❝ ❜❛♥❦s ❛♥❞ t❤❡ ▲▲❘ ❇❈❇ ✲ ✾ ❆✉❣✉st ✷✵✶✸ ✷ ✴ ✷✽

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SLIDE 3

▼♦t✐✈❛t✐♦♥

❘❡❝❡♥t ✜♥❛♥❝✐❛❧ ❝r✐s❡s✿ ✜♥❛♥❝✐❛❧ ❢r❛❣✐❧✐t② ❡♠❡r❣❡s ❢r♦♠ s②st❡♠✐❝ ✐♥st✐t✉t✐♦♥s s②st❡♠✐❝ ❜❛♥❦s ✐♠♣♦s❡ ❧❛r❣❡✱ ♥❡❣❛t✐✈❡ ❡✛❡❝ts t♦ ♦t❤❡rs tr❛❞✐t✐♦♥❛❧ s♦✉r❝❡s ♦❢ ❧✐q✉✐❞✐t② ♠❛② ❞r② ✉♣ s✉♣♣♦rts ❛♥❞ ❧❛r❣❡ ❡♠❡r❣❡♥❝② ❧✐q✉✐❞✐t② ❛ss✐st❛♥❝❡ ✐♥st✐t✉t✐♦♥❛❧ ❛rr❛♥❣❡♠❡♥ts ❢♦r ❧✐q✉✐❞✐t② ♣r♦✈✐s✐♦♥ s❤♦✇ ✇❡❛❦♥❡ss❡s

▼♦r❡ ❛♥❛❧②s✐s ✐s ♥❡❡❞❡❞

❍♦✇❡✈❡r✱ ❢❡✇ ✇♦r❦s ♦♥✿ ♦♣t✐♠❛❧ ✐♥st✐t✉t✐♦♥❛❧ ❞❡s✐❣♥ ♦❢ t❤❡ ❧❡♥❞❡r ♦❢ ❧❛st r❡s♦rt ♣♦❧✐❝② ❡✈❡♥ ❧❡ss ♦♥ t❤❡ ✐♠♣❧✐❝❛t✐♦♥s ♦❢ ❝♦♥s✐❞❡r✐♥❣ s②st❡♠✐❝ ❜❛♥❦s

P♦♥❝❡ ❛♥❞ ❘❡♥♥❡rt ✭❇❈❯ ❛♥❞ ❉❇✮ ❙②st❡♠✐❝ ❜❛♥❦s ❛♥❞ t❤❡ ▲▲❘ ❇❈❇ ✲ ✾ ❆✉❣✉st ✷✵✶✸ ✸ ✴ ✷✽

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SLIDE 4

❖❜❥❡❝t✐✈❡

❍♦✇ s❤♦✉❧❞ ▲▲❘ r❡s♣♦♥s✐❜✐❧✐t✐❡s ❜❡ ❛❧❧♦❝❛t❡❞ ✐♥ ❛ ❢r❛♠❡✇♦r❦ ✇✐t❤ s②st❡♠✐❝ ❛♥❞ ♥♦♥✲s②st❡♠✐❝ ❜❛♥❦s❄ ❆♣♣r♦❛❝❤✿ ✐♥❝♦♠♣❧❡t❡ ❝♦♥tr❛❝t ❢r❛♠❡✇♦r❦ s②st❡♠✐❝ ❜❛♥❦✬s ❢❛✐❧✉r❡ ✐♠♣♦s❡s ❧❛r❣❡✱ ♥❡❣❛t✐✈❡ ❡✛❡❝ts t♦ t❤❡ r❡st ♥♦♥✲s②st❡♠✐❝ ❜❛♥❦✬s ❢❛✐❧✉r❡ ❞♦❡s ♥♦t ❤❛✈❡ s✉❝❤ ❡①tr❡♠❡ ❡✛❡❝ts ❝❛♥❞✐❞❛t❡s t♦ ❛❝t ❛s ▲▲❘✿

◮ ❝❡♥tr❛❧ ❜❛♥❦ ◮ tr❡❛s✉r② ✴ s✉♣❡r✈✐s♦r✿ ✉♥❝♦♥❞✐t✐♦♥❛❧ s✉♣♣♦rt ◮ ❞❡♣♦s✐t ✐♥s✉r❛♥❝❡

❖❜❥❡❝t✐✈❡

Pr♦✈✐❞❡ ✐♥s✐❣❤ts ❢♦r t❤❡ ❞❡s✐❣♥ ♦❢ t❤❡ s❛❢❡t②✴st❛❜✐❧✐t② ♥❡t✬s ❛r❝❤✐t❡❝t✉r❡ ✇❤❡♥ s②st❡♠✐❝❛❧❧② ✐♠♣♦rt❛♥t ❜❛♥❦s ❡①✐st

P♦♥❝❡ ❛♥❞ ❘❡♥♥❡rt ✭❇❈❯ ❛♥❞ ❉❇✮ ❙②st❡♠✐❝ ❜❛♥❦s ❛♥❞ t❤❡ ▲▲❘ ❇❈❇ ✲ ✾ ❆✉❣✉st ✷✵✶✸ ✹ ✴ ✷✽

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SLIDE 5

▼❛✐♥ r❡s✉❧ts

❖♣t✐♠❛❧ ❛❧❧♦❝❛t✐♦♥ ♦❢ t❤❡ ❧❡♥❞❡r ♦❢ ❧❛st r❡s♦rt ✭▲▲❘✮ ❞❡❝✐s✐♦♥ ✐♥✈♦❧✈❡s t❤❡ ❝❡♥tr❛❧ ❜❛♥❦ ❛♥❞ ✉♥❝♦♥❞✐t✐♦♥❛❧ s✉♣♣♦rt✿

◮ ❝❡♥tr❛❧ ❜❛♥❦ ❞❡❝✐❞❡s ✐♥ ♥♦r♠❛❧ t✐♠❡s ✭s♠❛❧❧ s❤♦rt❢❛❧❧s✮ ◮ ✉♥❝♦♥❞✐t✐♦♥❛❧ ❧✐q✉✐❞✐t② s✉♣♣♦rt ♦✈❡rr✐❞❡s t❤❡ ❞❡❝✐s✐♦♥ ✐♥ ❝r✐s✐s

t✐♠❡s ✭❧❛r❣❡ s❤♦rt❢❛❧❧s✮

❲❤❡♥ ❛ s②st❡♠✐❝ ❜❛♥❦ ❝♦❡①✐st✱ t❤❡ ❝❡♥tr❛❧ ❜❛♥❦ s❤♦✉❧❞ ❛❝t ❛s ▲▲❘ ❢♦r t❤❡ ♥♦♥✲s②st❡♠✐❝ ❜❛♥❦ ✐♥ ❛ ❧❛r❣❡r r❛♥❣❡ ♦❢ ❧✐q✉✐❞✐t② s❤♦rt❢❛❧❧s ❚❤❡ r❛♥❣❡ ♦❢ ❛❝t✐♦♥ ♦❢ t❤❡ ❝❡♥tr❛❧ ❜❛♥❦ ❛s ▲▲❘ ❢♦r t❤❡ s②st❡♠✐❝ ❜❛♥❦ ❞❡♣❡♥❞s ♦♥ t❤❡ r❡❧❛t✐✈❡ s✐③❡ ♦❢ t✇♦ ❝♦✉♥t❡r❛❝t✐♥❣ ❡✛❡❝ts

P♦♥❝❡ ❛♥❞ ❘❡♥♥❡rt ✭❇❈❯ ❛♥❞ ❉❇✮ ❙②st❡♠✐❝ ❜❛♥❦s ❛♥❞ t❤❡ ▲▲❘ ❇❈❇ ✲ ✾ ❆✉❣✉st ✷✵✶✸ ✺ ✴ ✷✽

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SLIDE 6

❘❡❧❛t❡❞ ❧✐t❡r❛t✉r❡

▲❡♥❞❡r ♦❢ ❧❛st r❡s♦rt✿ ❇❛❣❡❤♦t ✭✶✽✼✸✮ ■♥st✐t✉t✐♦♥❛❧ ❛❧❧♦❝❛t✐♦♥ ♦❢ ▲▲❘ r❡s♣♦♥s✐❜✐❧✐t✐❡s ✐♥ ❛♥ ✐♥❝♦♠♣❧❡t❡ ❝♦♥tr❛❝ts ❢r❛♠❡✇♦r❦✿ ❘❡♣✉❧❧♦ ✭✷✵✵✵✮ ❊①t❡♥s✐♦♥s✿

◮ ❑❛❤♥ ❛♥❞ ❙❛♥t♦s ✭✷✵✵✺❀ ✷✵✵✻✮✿ ✉♥✐✜❡❞ ❛❣❡♥❝② ✈s✳ ♠✉❧t✐♣❧❡

❛❣❡♥❝✐❡s ❛♥❞ ✐♥❢♦r♠❛t✐♦♥ s❤❛r✐♥❣ ✐♥❝❡♥t✐✈❡s

◮ P♦♥❝❡ ✭✷✵✶✵✮✿ ✉♥❝♦♥❞✐t✐♦♥❛❧ s✉♣♣♦rt r✉❧❡ ❛♥❞ ❝♦♠♣❡♥s❛t✐♦♥

s❝❤❡♠❡ ❢♦r ❈❇

◮ ❊s♣✐♥♦s❛✲❱❡❣❛ ❡t ❛❧✳ ✭✷✵✶✶✮✿ s②st❡♠✐❝ ❜❛♥❦s ❛♥❞ ✉♥✐✜❡❞ ❛❣❡♥❝②

✈s✳ ♠✉❧t✐♣❧❡ ❛❣❡♥❝✐❡s

P♦♥❝❡ ❛♥❞ ❘❡♥♥❡rt ✭❇❈❯ ❛♥❞ ❉❇✮ ❙②st❡♠✐❝ ❜❛♥❦s ❛♥❞ t❤❡ ▲▲❘ ❇❈❇ ✲ ✾ ❆✉❣✉st ✷✵✶✸ ✻ ✴ ✷✽

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SLIDE 7

▼♦❞❡❧

❚❤❡ ❜❛♥❦✐♥❣ ✐♥❞✉str②

❚✇♦ ❡q✉❛❧ s✐③❡❞ ❜❛♥❦s ❋✉♥❞✐♥❣✿ ❧✐q✉✐❞ ❧✐❛❜✐❧✐t✐❡s ✭❡✳❣✳ ❞❡♠❛♥❞ ❞❡♣♦s✐ts✮

◮ ❢✉❧❧② ✐♥s✉r❡❞ ❜② ❞❡♣♦s✐t ✐♥s✉r❛♥❝❡ ◮ ❧✐q✉✐❞✐t② s❤♦❝❦ v ∈ (0, 1) ❛❢t❡r ✶ ♣❡r✐♦❞ ◮ v ✐s ♣✉❜❧✐❝❧② ♦❜s❡r✈❛❜❧❡ ❛♥❞ ✈❡r✐✜❛❜❧❡ ✭❢♦r ✐♠♣❧❡♠❡♥t❛t✐♦♥ ✐t ✐s

❡♥♦✉❣❤ t♦ ❦♥♦✇ t❤❛t v ✐s ✐♥ s♦♠❡ r❛♥❣❡✿ ♥♦r♠❛❧ ♦r ❝r✐s✐s t✐♠❡✮

■♥✈❡st♠❡♥t✿ ✐❧❧✐q✉✐❞ r✐s❦② ❛ss❡t

◮ ♠❛t✉r✐t②✿ ✷ ♣❡r✐♦❞s ◮ r❛♥❞♦♠ r❡t✉r♥ ˜

R ✇✐t❤ s✉♣♣♦rt ✐♥ {0, R}

◮ s♦❧✈❡♥❝② s✐❣♥❛❧ u ❛❢t❡r ✶ ♣❡r✐♦❞ ♦❢ ♦♣❡r❛t✐♦♥ ◮ u ♦❜s❡r✈❡❞ ❜② t❤❡ ▲▲❘ t❤r♦✉❣❤ ❝♦st❧❡ss s✉♣❡r✈✐s✐♦♥✱ ✐t ✐s ♥♦t

✈❡r✐✜❛❜❧❡ ✭❡✳❣✳ ✐♥❝❧✉❞❡s t❤❡ s✉♣❡r✈✐s♦r✬s ❛ss❡ss♠❡♥t✮

❇❛♥❦✬s ❧✐q✉✐❞❛t✐♦♥ ✈❛❧✉❡ L < 1 ❛❢t❡r ✶ ♣❡r✐♦❞ ♦❢ ♦♣❡r❛t✐♦♥ ❙♦❝✐❛❧ ❝♦sts ♦❢ ❛ ❢❛✐❧✉r❡ ♦r ❧✐q✉✐❞❛t✐♦♥✿ c

P♦♥❝❡ ❛♥❞ ❘❡♥♥❡rt ✭❇❈❯ ❛♥❞ ❉❇✮ ❙②st❡♠✐❝ ❜❛♥❦s ❛♥❞ t❤❡ ▲▲❘ ❇❈❇ ✲ ✾ ❆✉❣✉st ✷✵✶✸ ✼ ✴ ✷✽

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SLIDE 8

▼♦❞❡❧

❆ s②st❡♠✐❝ ❛♥❞ ❛ ♥♦♥✲s②st❡♠✐❝ ❜❛♥❦

❙②st❡♠✐❝ ❜❛♥❦ ❙

◮ r❛♥❞♦♠ r❡t✉r♥ ˜

RS ˜ RS =

  • 0, ✇✐t❤ ♣r♦❜❛❜✐❧✐t② 1 − uS

R, ✇✐t❤ ♣r♦❜❛❜✐❧✐t② uS

◆♦♥✲s②st❡♠✐❝ ❜❛♥❦ ◆

◮ r❛♥❞♦♠ r❡t✉r♥ ❝♦♥t✐♥❣❡♥t ♦♥ st❛t❡ ♦❢ s②st❡♠✐❝ ❜❛♥❦ ❙

˜ RN =

  • 0, ✇✐t❤ ♣r♦❜❛❜✐❧✐t② 1 − uN

R − 1{SF }γ ✇✐t❤ ♣r♦❜❛❜✐❧✐t② uN ✱ ✇❤❡r❡ 1{SF } = 1 ✐❢ s②st❡♠✐❝ ❜❛♥❦ ❙ ❢❛✐❧s ♦r ✐s ❧✐q✉✐❞❛t❡❞

■♥✈❡st♠❡♥t ✐s ❡①✲❛♥t❡ ♣r♦✜t❛❜❧❡ ❢♦r ❜♦t❤ ❜❛♥❦s

P♦♥❝❡ ❛♥❞ ❘❡♥♥❡rt ✭❇❈❯ ❛♥❞ ❉❇✮ ❙②st❡♠✐❝ ❜❛♥❦s ❛♥❞ t❤❡ ▲▲❘ ❇❈❇ ✲ ✾ ❆✉❣✉st ✷✵✶✸ ✽ ✴ ✷✽

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SLIDE 9

▼♦❞❡❧

▲▲❘ ❝❛♥❞✐❞❛t❡s

❚❤r❡❡ ♥❛t✉r❛❧ ❝❛♥❞✐❞❛t❡s t♦ ❞❡❝✐❞❡ ❛❜♦✉t ❡♠❡r❣❡♥❝② ❧✐q✉✐❞✐t② ❛ss✐t❛♥❝❡✿ ❙❡❧❢✲✐♥t❡r❡st❡❞ ❛❣❡♥❝✐❡s✿ U = I − α1failurec ❈❡♥tr❛❧ ❜❛♥❦

◮ ♦♥❧② ❝♦♥❝❡r♥❡❞ ❛❜♦✉t t❤❡ ❛♠♦✉♥t ♦❢ t❤❡ ❧❛st r❡s♦rt ❧♦❛♥ ◮ ♣♦❧✐t✐❝❛❧ ❝♦st ♦❢ ❢❛✐❧✉r❡ αc ✇✐t❤ α < 1

❚r❡❛s✉r② ✴ s✉♣❡r✈✐s♦r

◮ ❝♦♥❝❡r♥❡❞ ❛❜♦✉t t❤❡ ❢✉❧❧ ♣♦❧✐t✐❝❛❧ ❝♦st c

❉❡♣♦s✐t ✐♥s✉r❛♥❝❡ ❝♦r♣♦r❛t✐♦♥ ✭❝♦♥s✐❞❡r❡❞ ✐♥ ❛♥ ❡①t❡♥s✐♦♥✮

◮ ❝♦♥❝❡r♥❡❞ ❛❜♦✉t ❝♦♠♣❡♥s❛t❡ ❞❡♣♦s✐t♦rs ♦❢ ❢❛✐❧❡❞ ❜❛♥❦s ◮ ❝❛♥ ❧✐q✉✐❞❛t❡ ❜❛♥❦s ❛t ✐♥t❡r♠❡❞✐❛t❡ ❞❛t❡ ◮ ♣♦❧✐t✐❝❛❧ ❝♦st ♦❢ ❢❛✐❧✉r❡ βc ✇✐t❤ β < 1 P♦♥❝❡ ❛♥❞ ❘❡♥♥❡rt ✭❇❈❯ ❛♥❞ ❉❇✮ ❙②st❡♠✐❝ ❜❛♥❦s ❛♥❞ t❤❡ ▲▲❘ ❇❈❇ ✲ ✾ ❆✉❣✉st ✷✵✶✸ ✾ ✴ ✷✽

slide-10
SLIDE 10

▼♦❞❡❧

❚✐♠✐♥❣

t = 0 t = 1 t = 2 t = 3 ■♥✈❡st ❞❡♣♦s✐ts ❜❛♥❦ ❙✿ ✐♥t♦ r✐s❦② ❛ss❡t vS ✫ uS r❡❛❧✐③❡❞ RS r❡❛❧✐③❡❞ ■♥✈❡st ❞❡♣♦s✐ts ❜❛♥❦ ◆✿ ✐♥t♦ r✐s❦② ❛ss❡t vN ✫ uN r❡❛❧✐③❡❞ RN r❡❛❧✐③❡❞ ▲▲❘ ♣♦❧✐❝② ❛♥♥♦✉♥❝❡❞ ▲▲❘ ♣♦❧✐❝② ❛♣♣❧✐❡❞ t♦ ❙ ▲▲❘ ♣♦❧✐❝② ❛♣♣❧✐❡❞ t♦ ◆

P♦♥❝❡ ❛♥❞ ❘❡♥♥❡rt ✭❇❈❯ ❛♥❞ ❉❇✮ ❙②st❡♠✐❝ ❜❛♥❦s ❛♥❞ t❤❡ ▲▲❘ ❇❈❇ ✲ ✾ ❆✉❣✉st ✷✵✶✸ ✶✵ ✴ ✷✽

slide-11
SLIDE 11

▼♦❞❡❧

P❛②♦✛ str✉❝t✉r❡ ❇❛♥❦ ❙ ♥♦t s✉♣♣♦rt❡❞ ❧✐q✉✐❞❛t❡❞ ▲✲❝ s✉♣♣♦rt❡❞ ❢❛✐❧s ✲❝ s✉❝❝❡ss❢✉❧ ❘ ❇❛♥❦ ◆ s✉♣♣♦rt❡❞ s✉❝❝❡ss❢✉❧ ❘✲γ ❢❛✐❧s ✲❝ ♥♦t s✉♣♣♦rt❡❞ ❧✐q✉✐❞❛t❡❞ ▲✲❝ ❇❛♥❦ ◆ s✉♣♣♦rt❡❞ s✉❝❝❡ss❢✉❧ ❘ ❢❛✐❧s ✲❝ ♥♦t s✉♣♣♦rt❡❞ ❧✐q✉✐❞❛t❡❞ ▲✲❝

P♦♥❝❡ ❛♥❞ ❘❡♥♥❡rt ✭❇❈❯ ❛♥❞ ❉❇✮ ❙②st❡♠✐❝ ❜❛♥❦s ❛♥❞ t❤❡ ▲▲❘ ❇❈❇ ✲ ✾ ❆✉❣✉st ✷✵✶✸ ✶✶ ✴ ✷✽

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SLIDE 12

❇❡♥❝❤♠❛r❦✿ ♦♥❧② ♦♥❡ t②♣❡ ♦❢ ❜❛♥❦

▲❡♥❞✐♥❣ ❞❡❝✐s✐♦♥s

❋✐rst✲❜❡st✿ W ≡E{1LLR [uR − (1 − u) c] + (1 − 1LLR) (L − c)} u ≥ L R + c ≡ u∗ ❈❡♥tr❛❧ ❜❛♥❦✬s ❧❡♥❞✐♥❣ ❞❡❝✐s✐♦♥✿ B ≡E{1LLR [− (1 − u) (v + αc)] + (1 − 1LLR) (−αc)} u ≥ v v + αc ≡ uCB (v) ❯♥❝♦♥❞✐t✐♦♥❛❧ s✉♣♣♦rt r✉❧❡✿ u ≥ 0 ≡ uUSR

▲✐q✉✐❞✐t② ❙❤♦rt❢❛❧❧ (v) ❙♦❧✈❡♥❝② ❙✐❣♥❛❧ (u) 1 1 ❈❇✬s t❤r❡s❤♦❧❞✱ uCB(v) ❯❙❘✬s t❤r❡s❤♦❧❞✱ uUSR ❙♦❝✐❛❧❧② ♦♣t✐♠❛❧ t❤r❡s❤♦❧❞✱ u∗ vA

P♦♥❝❡ ❛♥❞ ❘❡♥♥❡rt ✭❇❈❯ ❛♥❞ ❉❇✮ ❙②st❡♠✐❝ ❜❛♥❦s ❛♥❞ t❤❡ ▲▲❘ ❇❈❇ ✲ ✾ ❆✉❣✉st ✷✵✶✸ ✶✷ ✴ ✷✽

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SLIDE 13

❇❡♥❝❤♠❛r❦✿ ♦♥❧② ♦♥❡ t②♣❡ ♦❢ ❜❛♥❦

◆♦r♠❛❧✐③❡❞ ❡①♣❡❝t❡❞ s♦❝✐❛❧ ✇❡❧❢❛r❡

W = E

  • 1{LLR} (u − u∗)
  • (R + c) + (L − c)

w ≡ E

  • 1{LLR} (u − u∗)
  • wCB (v)

= 1

uCB(v)

(u − u∗) dF (u) wUSR = 1 (u − u∗) dF (u)

▲✐q✉✐❞✐t② ❙❤♦❝❦ (v) ❊①♣❡❝t❡❞ ❙♦❝✐❛❧ ❲❡❧❢❛r❡ (w) 1 wCB(v) wUSR vA v∗

♥♦r♠❛❧ t✐♠❡s ❝r✐s✐s t✐♠❡s P♦♥❝❡ ❛♥❞ ❘❡♥♥❡rt ✭❇❈❯ ❛♥❞ ❉❇✮ ❙②st❡♠✐❝ ❜❛♥❦s ❛♥❞ t❤❡ ▲▲❘ ❇❈❇ ✲ ✾ ❆✉❣✉st ✷✵✶✸ ✶✸ ✴ ✷✽

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SLIDE 14

❇❡♥❝❤♠❛r❦✿ ♦♥❧② ♦♥❡ t②♣❡ ♦❢ ❜❛♥❦

❘❡s✉❧t✿ t❤❡ s❡❝♦♥❞✲❜❡st ❛❧❧♦❝❛t✐♦♥

❇❡♥❝❤♠❛r❦ ❝❛s❡

❚❤❡r❡ ❡①✐st ❛ t❤r❡s❤♦❧❞ v∗ ∈ (0, 1) ❢♦r t❤❡ ❧✐q✉✐❞✐t② s❤♦rt❢❛❧❧ s✉❝❤ t❤❛t✿ ✐❢ v ≤ v∗ ✭♥♦r♠❛❧ t✐♠❡s✮✱ t❤❡♥ t❤❡ ❝❡♥tr❛❧ ❜❛♥❦ s❤♦✉❧❞ ❞❡❝✐❞❡ ♦♥ t❤❡ ♣r♦✈✐s✐♦♥ ♦❢ ❧❛st r❡s♦rt ❧✐q✉✐❞✐t② s✉♣♣♦rt ✐❢ v > v∗ ✭❝r✐s✐s t✐♠❡s✮✱ t❤❡♥ t❤❡ ✉♥❝♦♥❞✐t✐♦♥❛❧ ✭♦❢ t❤❡ ❜❛♥❦✬s s♦❧✈❡♥❝② ❝♦♥❞✐t✐♦♥✮ s✉♣♣♦rt ✐s ✭s❡❝♦♥❞✲❜❡st✮ ♦♣t✐♠❛❧

P♦♥❝❡ ❛♥❞ ❘❡♥♥❡rt ✭❇❈❯ ❛♥❞ ❉❇✮ ❙②st❡♠✐❝ ❜❛♥❦s ❛♥❞ t❤❡ ▲▲❘ ❇❈❇ ✲ ✾ ❆✉❣✉st ✷✵✶✸ ✶✹ ✴ ✷✽

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SLIDE 15

◆♦♥✲s②st❡♠✐❝ ❜❛♥❦

❋✐rst✲❜❡st s♦❝✐❛❧❧② ♦♣t✐♠❛❧ ▲▲❘ ♣♦❧✐❝②

❊①♣❡❝t❡❞ s♦❝✐❛❧ ✇❡❧❢❛r❡✿ WN =E{1SS

S [{1SS N (uNR − (1 − uN)c) + (1 − 1SS N )(L − c)]

+ 1SF

S [1SF N (uN(R − γ) − (1 − uN)c) + (1 − 1SF N )(L − c)]},

✇❤❡r❡ 1SS

S

= 1 ✐❢ s②st❡♠✐❝ ❜❛♥❦ ❙ s✉❝❝❡❡❞s ❛t ❞❛t❡ ✷✱ 1SF

S

= 1 ✐❢ s②st❡♠✐❝ ❜❛♥❦ ❙ ❢❛✐❧s ❛t ❞❛t❡ ✷ ♦r ✐s ❝❧♦s❡❞ ❛t ❞❛t❡ ✶✱ 1SS

N = 1 ✐❢ ▲▲❘ ❧♦❛♥ ✐s ♣r♦✈✐❞❡❞ t♦ ♥♦♥✲s②st❡♠✐❝ ❜❛♥❦ ◆ ❣✐✈❡♥

s②st❡♠✐❝ ❜❛♥❦ ❙ s✉❝❝❡❡❞❡❞ ❛♥❞ 1SF

N

= 1 ✐❢ ▲▲❘ ❧♦❛♥ ✐s ♣r♦✈✐❞❡❞ t♦ ♥♦♥✲s②st❡♠✐❝ ❜❛♥❦ ◆ ❣✐✈❡♥ s②st❡♠✐❝ ❜❛♥❦ ❙ ❢❛✐❧❡❞ ❛t ❞❛t❡ ✷ ♦r ✐s ❝❧♦s❡❞ ❛t ❞❛t❡ ✶✳

P♦♥❝❡ ❛♥❞ ❘❡♥♥❡rt ✭❇❈❯ ❛♥❞ ❉❇✮ ❙②st❡♠✐❝ ❜❛♥❦s ❛♥❞ t❤❡ ▲▲❘ ❇❈❇ ✲ ✾ ❆✉❣✉st ✷✵✶✸ ✶✺ ✴ ✷✽

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SLIDE 16

◆♦♥✲s②st❡♠✐❝ ❜❛♥❦

❋✐rst✲❜❡st s♦❝✐❛❧❧② ♦♣t✐♠❛❧ ▲▲❘ ♣♦❧✐❝②

■t ✐s ✜rst✲❜❡st s♦❝✐❛❧ ♦♣t✐♠❛❧ t♦ ♣r♦✈✐❞❡ ❡♠❡r❣❡♥❝② ❧✐q✉✐❞✐t② ❛ss✐st❛♥❝❡ t♦ t❤❡ ♥♦♥✲s②st❡♠✐❝ ❜❛♥❦ ✐❢✿ ✐♥ ❝❛s❡ s②st❡♠✐❝ ❜❛♥❦ s✉❝❝❡❡❞s✿ uN ≥ uSS

N ≡

L R + c = uBenchmark ✐♥ ❝❛s❡ s②st❡♠✐❝ ❜❛♥❦ ❢❛✐❧s ♦r ✐s ❧✐q✉✐❞❛t❡❞✿ uN ≥ uSF

N

≡ L R + c − γ > uBenchmark

▲✐q✉✐❞✐t② ❙❤♦rt❢❛❧❧ (vN) ❙♦❧✈❡♥❝② ❙✐❣♥❛❧ (uN) 1 1 ❙♦❝✐❛❧❧② ♦♣t✐♠❛❧ t❤r❡s❤♦❧❞ ✐♥ ❙❋ ❙♦❝✐❛❧❧② ♦♣t✐♠❛❧ t❤r❡s❤♦❧❞ ✐♥ ❙❙

P♦♥❝❡ ❛♥❞ ❘❡♥♥❡rt ✭❇❈❯ ❛♥❞ ❉❇✮ ❙②st❡♠✐❝ ❜❛♥❦s ❛♥❞ t❤❡ ▲▲❘ ❇❈❇ ✲ ✾ ❆✉❣✉st ✷✵✶✸ ✶✻ ✴ ✷✽

slide-17
SLIDE 17

◆♦♥✲s②st❡♠✐❝ ❜❛♥❦

❈❡♥tr❛❧ ❜❛♥❦ ❛s ▲▲❘

❈❡♥tr❛❧ ❜❛♥❦❡r✬s ♦❜❥❡❝t✐✈❡ ❢✉♥❝t✐♦♥ ✐s✿ BN =1SS

S [{1SS N (−(1 − uN)(vN + αc)) + (1 − 1SS N )(−αc)]

+ 1SF

S [1SF N (−(1 − uN)(vN + αc)) + (1 − 1SF N )(−αc)]

❈❡♥tr❛❧ ❜❛♥❦ ♣r♦✈✐❞❡s ❡♠❡r❣❡♥❝② ❧✐q✉✐❞✐t② ❛ss✐st❛♥❝❡ ✐❢✿ uN ≥ uCB

N

≡ vN vN + αc

▲✐q✉✐❞✐t② ❙❤♦rt❢❛❧❧ (vN) ❙♦❧✈❡♥❝② ❙✐❣♥❛❧ (uN) 1 1 ❈❇✬s t❤r❡s❤♦❧❞✱ uCB

N (vN)

❙♦❝✐❛❧❧② ♦♣t✐♠❛❧ t❤r❡s❤♦❧❞ ✐♥ ❙❋ ❙♦❝✐❛❧❧② ♦♣t✐♠❛❧ t❤r❡s❤♦❧❞ ✐♥ ❙❙ vA

N vC N

P♦♥❝❡ ❛♥❞ ❘❡♥♥❡rt ✭❇❈❯ ❛♥❞ ❉❇✮ ❙②st❡♠✐❝ ❜❛♥❦s ❛♥❞ t❤❡ ▲▲❘ ❇❈❇ ✲ ✾ ❆✉❣✉st ✷✵✶✸ ✶✼ ✴ ✷✽

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SLIDE 18

◆♦♥✲s②st❡♠✐❝ ❜❛♥❦

❯♥❝♦♥❞✐t✐♦♥❛❧ s✉♣♣♦rt r✉❧❡

Pr♦✈✐s✐♦♥ ♦❢ ❡♠❡r❣❡♥❝② ❧✐q✉✐❞✐t② ❛ss✐st❛♥❝❡ r❡❣❛r❞❧❡ss ♦❢ s♦❧✈❡♥❝② s✐❣♥❛❧ uN✿ uN ≥ 0 ≡ uUSR

N

▲✐q✉✐❞✐t② ❙❤♦rt❢❛❧❧ (vN) ❙♦❧✈❡♥❝② ❙✐❣♥❛❧ (uN) 1 1 ❈❇✬s t❤r❡s❤♦❧❞✱ uCB

N (vN)

❯❙❘✬s t❤r❡s❤♦❧❞✱ uUSR

N

❙♦❝✐❛❧❧② ♦♣t✐♠❛❧ t❤r❡s❤♦❧❞ ✐♥ ❙❋✱ uSF

N

❙♦❝✐❛❧❧② ♦♣t✐♠❛❧ t❤r❡s❤♦❧❞ ✐♥ ❙❙✱ uSS

N

vA

N vC N

P♦♥❝❡ ❛♥❞ ❘❡♥♥❡rt ✭❇❈❯ ❛♥❞ ❉❇✮ ❙②st❡♠✐❝ ❜❛♥❦s ❛♥❞ t❤❡ ▲▲❘ ❇❈❇ ✲ ✾ ❆✉❣✉st ✷✵✶✸ ✶✽ ✴ ✷✽

slide-19
SLIDE 19

◆♦♥✲s②st❡♠✐❝ ❜❛♥❦

◆♦r♠❛❧✐③❡❞ ❡①♣❡❝t❡❞ s♦❝✐❛❧ ✇❡❧❢❛r❡

▼❛①✐♠✐③❡ ♥♦r♠❛❧✐③❡❞ s♦❝✐❛❧ ✇❡❧❢❛r❡✿ wν

N = E[1ν N(uN − uν N)]

✇✐t❤ ν ∈ {SS, SF} ❈❡♥tr❛❧ ❜❛♥❦✿ wCB,ν

N

(vN) = 1

uCB

N

(vN)

(uN − uν

N) dF(u)

❯♥❝♦♥❞✐t✐♦♥❛❧ s✉♣♣♦rt r✉❧❡✿ wUSR,ν

N

= 1 (uN − uν

N) dF(u)

▲✐q✉✐❞✐t② ❙❤♦rt❢❛❧❧ (vN ◆♦r♠❛❧✐③❡❞ ❊①♣❡❝t❡❞ ❙♦❝✐❛❧ ❲❡❧❢❛r❡ (wN) 1 ❈❇ ✐s ▲▲❘ ✐♥ ❙❙ ❯❙❘ ✐s ❛♣♣❧✐❡❞ ✐♥ ❙❙ ❈❇ ✐s ▲▲❘ ✐♥ ❙❋ ❯❙❘ ✐s ❛♣♣❧✐❡❞ ✐♥ ❙❋ vSS

N

vSF

N

P♦♥❝❡ ❛♥❞ ❘❡♥♥❡rt ✭❇❈❯ ❛♥❞ ❉❇✮ ❙②st❡♠✐❝ ❜❛♥❦s ❛♥❞ t❤❡ ▲▲❘ ❇❈❇ ✲ ✾ ❆✉❣✉st ✷✵✶✸ ✶✾ ✴ ✷✽

slide-20
SLIDE 20

◆♦♥✲s②st❡♠✐❝ ❜❛♥❦

❘❡s✉❧ts✿ t❤❡ s❡❝♦♥❞ ❜❡st ❛❧❧♦❝❛t✐♦♥

❚❤❡ s❡❝♦♥❞✲❜❡st ▲▲❘ ❛❧❧♦❝❛t✐♦♥ ❢♦r t❤❡ ♥♦♥✲s②st❡♠✐❝ ❜❛♥❦

■t ❝♦♥s✐sts ♦❢✿ ❝❡♥tr❛❧ ❜❛♥❦ ❢♦r s♠❛❧❧ s❤♦❝❦s ✭♥♦r♠❛❧ t✐♠❡s✮ ✉♥❝♦♥❞✐t✐♦♥❛❧ s✉♣♣♦rt ❢♦r ❧❛r❣❡ s❤♦❝❦s ✭❝r✐s✐s t✐♠❡s✮ ■❢ s②st❡♠✐❝ ❜❛♥❦ ❢❛✐❧s✿ ❝❡♥tr❛❧ ❜❛♥❦ s❤♦✉❧❞ ❛❝t ❛s ▲▲❘ ♦♥ ❛ ❧❛r❣❡r ✐♥t❡r✈❛❧

■♥t✉✐t✐♦♥

❲✐t❤ t❤❡ ❢❛✐❧✉r❡ ♦❢ t❤❡ s②st❡♠✐❝ ❜❛♥❦✿ ✜rst✲❜❡st ♣♦❧✐❝② ✐s t♦✉❣❤❡r ✭❜❡❝❛✉s❡ ♦❢ ❧♦✇❡r r❡t✉r♥✮ ❯❙❘ ✐s t♦♦ s♦❢t ❤❡♥❝❡✱ ✐t ✐s ♦♣t✐♠❛❧ t♦ ❛❧❧♦❝❛t❡ ♠♦r❡ r❡s♣♦♥s✐❜✐❧✐t✐❡s t♦ t❤❡ ❝❡♥tr❛❧ ❜❛♥❦

P♦♥❝❡ ❛♥❞ ❘❡♥♥❡rt ✭❇❈❯ ❛♥❞ ❉❇✮ ❙②st❡♠✐❝ ❜❛♥❦s ❛♥❞ t❤❡ ▲▲❘ ❇❈❇ ✲ ✾ ❆✉❣✉st ✷✵✶✸ ✷✵ ✴ ✷✽

slide-21
SLIDE 21

❙②st❡♠✐❝ ❜❛♥❦

❋✐rst✲❜❡st s♦❝✐❛❧❧② ♦♣t✐♠❛❧ ▲▲❘ ♣♦❧✐❝②

❊①♣❡❝t❡❞ s♦❝✐❛❧ ✇❡❧❢❛r❡ ✐s✿ WS =E{1S[uSR − (1 − uS)c + W SC

N ] + (1 − 1S)[L − c + W SL N ]}

■t ✐s ✜rst✲❜❡st ♦♣t✐♠❛❧ t♦ ❧❡♥❞ ✐❢✿ uS ≥ u∗

S ≡

L R + c + W ∆

N

, ✇✐t❤ W SC

N

− W SL

N

=uSW ∆

N .

P♦♥❝❡ ❛♥❞ ❘❡♥♥❡rt ✭❇❈❯ ❛♥❞ ❉❇✮ ❙②st❡♠✐❝ ❜❛♥❦s ❛♥❞ t❤❡ ▲▲❘ ❇❈❇ ✲ ✾ ❆✉❣✉st ✷✵✶✸ ✷✶ ✴ ✷✽

slide-22
SLIDE 22

❙②st❡♠✐❝ ❜❛♥❦

❋✐rst✲❜❡st s♦❝✐❛❧❧② ♦♣t✐♠❛❧ ▲▲❘ ♣♦❧✐❝②

■t ❝♦✉❧❞ ❜❡ ♣r♦✈❡❞ t❤❛t✿ W ∆

N = E{(1SS N − 1SF N )(uN(R + c) − L) + 1SF N uNγ} > 0

■t ❢♦❧❧♦✇s✿ u∗

S < uBenchmark

▲✐q✉✐❞✐t② ❙❤♦rt❢❛❧❧ (vS) ❙♦❧✈❡♥❝② ❙✐❣♥❛❧ (uS) 1 1 ❙♦❝✐❛❧❧② ♦♣t✐♠❛❧ t❤r❡s❤♦❧❞✱ u∗

S

❇❡♥❝❤♠❛r❦✱ uBenchmark

P♦♥❝❡ ❛♥❞ ❘❡♥♥❡rt ✭❇❈❯ ❛♥❞ ❉❇✮ ❙②st❡♠✐❝ ❜❛♥❦s ❛♥❞ t❤❡ ▲▲❘ ❇❈❇ ✲ ✾ ❆✉❣✉st ✷✵✶✸ ✷✷ ✴ ✷✽

slide-23
SLIDE 23

❙②st❡♠✐❝ ❜❛♥❦

❈❡♥tr❛❧ ❜❛♥❦ ❛s ▲▲❘

❈❡♥tr❛❧ ❜❛♥❦❡r✬s ♦❜❥❡❝t✐✈❡ ❢✉♥❝t✐♦♥ ✐s✿ BS =E{1S[−(1 − uS)(αc + vS) + BSC

N ] + (1 − 1S)[−αc + BSL N ]}

❈❡♥tr❛❧ ❜❛♥❦ ♣r♦✈✐❞❡s ❡♠❡r❣❡♥❝② ❧✐q✉✐❞✐t② ❛ss✐st❛♥❝❡ ✐❢✿ uS ≥ uCB

S

≡ vS vS + αc + B∆

N

, ✇✐t❤ BSC

N

− BSL

N

= uSB∆

N.

P♦♥❝❡ ❛♥❞ ❘❡♥♥❡rt ✭❇❈❯ ❛♥❞ ❉❇✮ ❙②st❡♠✐❝ ❜❛♥❦s ❛♥❞ t❤❡ ▲▲❘ ❇❈❇ ✲ ✾ ❆✉❣✉st ✷✵✶✸ ✷✸ ✴ ✷✽

slide-24
SLIDE 24

❙②st❡♠✐❝ ❜❛♥❦

❈❡♥tr❛❧ ❜❛♥❦ ❛s ▲▲❘

■t ❝♦✉❧❞ ❜❡ ♣r♦✈❡❞ t❤❛t✿ B∆

N =

vSF

N

vSS

N

uCB

N

(vN)

(αc)dF(u) + 1

uCB

N

(vN)

(1 − uN)(αc + vN)dF(u)

  • dG(vN) > 0

❙♦ t❤❛t✿ uCB

S

≡ vS vS + αc + B∆

N

< uCB

Benchmark

P♦♥❝❡ ❛♥❞ ❘❡♥♥❡rt ✭❇❈❯ ❛♥❞ ❉❇✮ ❙②st❡♠✐❝ ❜❛♥❦s ❛♥❞ t❤❡ ▲▲❘ ❇❈❇ ✲ ✾ ❆✉❣✉st ✷✵✶✸ ✷✹ ✴ ✷✽

slide-25
SLIDE 25

❙②st❡♠✐❝ ❜❛♥❦

❈❡♥tr❛❧ ❜❛♥❦ ❛♥❞ ❯❙❘ ▲✐q✉✐❞✐t② ❙❤♦rt❢❛❧❧ (vS) ❙♦❧✈❡♥❝② ❙✐❣♥❛❧ (uS) 1 1 ❈❇ ❜❡♥❝❤♠❛r❦✱ uCB

Benchmark(= uCB N )

❈❇✬s t❤r❡s❤♦❧❞✱ uCB

S

(vS) ❯❙❘✬s t❤r❡s❤♦❧❞✱ uUSR

S

vA

N vA S

P♦♥❝❡ ❛♥❞ ❘❡♥♥❡rt ✭❇❈❯ ❛♥❞ ❉❇✮ ❙②st❡♠✐❝ ❜❛♥❦s ❛♥❞ t❤❡ ▲▲❘ ❇❈❇ ✲ ✾ ❆✉❣✉st ✷✵✶✸ ✷✺ ✴ ✷✽

slide-26
SLIDE 26

❙②st❡♠✐❝ ❜❛♥❦

❘❡s✉❧ts✿ ✜rst✲❜❡st ❛♥❞ s❡❝♦♥❞✲❜❡st ❛❧❧♦❝❛t✐♦♥s

❋✐rst✲❜❡st ✐s s♦❢t❡r ❢♦r s②st❡♠✐❝ ❜❛♥❦s

❋♦r s♦♠❡ ❧❡✈❡❧s ♦❢ s♦❧✈❡♥❝②✱ ✐❞❡♥t✐❝❛❧ ❜❛♥❦s s❤♦✉❧❞ ❜❡ ❝❧♦s❡❞ ❞♦✇♥ ✐❢ ♥♦♥✲s②st❡♠✐❝ ❛♥❞ s✉♣♣♦rt❡❞ ✐❢ s②st❡♠✐❝

❙❡❝♦♥❞✲❜❡st ▲▲❘ ❛❧❧♦❝❛t✐♦♥ ❢♦r s②st❡♠✐❝ ❜❛♥❦

■t ❝♦♥s✐sts ♦❢✿ ❝❡♥tr❛❧ ❜❛♥❦ ❢♦r s♠❛❧❧ s❤♦❝❦s ✭♥♦r♠❛❧ t✐♠❡s✮ ✉♥❝♦♥❞✐t✐♦♥❛❧ s✉♣♣♦rt ❢♦r ❧❛r❣❡ s❤♦❝❦s ✭❝r✐s✐s t✐♠❡s✮ ❲❤❡t❤❡r ❝❡♥tr❛❧ ❜❛♥❦ s❤♦✉❧❞ ❜❡ t❤❡ ▲▲❘ ♦♥ ❛ ❧❛r❣❡r r❛♥❣❡ ♦❢ ❧✐q✉✐❞✐t② s❤♦rt❢❛❧❧s ❢♦r t❤❡ s②st❡♠✐❝ ❜❛♥❦ ❞❡♣❡♥❞s ♦♥ t❤❡ ❜❛❧❛♥❝❡ ❜❡t✇❡❡♥ t✇♦ ❝♦✉♥t❡r❛❝t✐♥❣ ❡✛❡❝ts✿ ❯❙❘ ✐s ♥♦✇ ❝❧♦s❡r t♦ t❤❡ ✜rst✲❜❡st ❈❇ ❛♥t✐❝✐♣❛t❡s ❧❛r❣❡r ❡①♣❡❝t❡❞ ❧♦ss❡s ❛♥❞ ❜❡❝♦♠❡s s♦❢t❡r ❢♦r t❤❡ s②st❡♠✐❝ ❜❛♥❦

P♦♥❝❡ ❛♥❞ ❘❡♥♥❡rt ✭❇❈❯ ❛♥❞ ❉❇✮ ❙②st❡♠✐❝ ❜❛♥❦s ❛♥❞ t❤❡ ▲▲❘ ❇❈❇ ✲ ✾ ❆✉❣✉st ✷✵✶✸ ✷✻ ✴ ✷✽

slide-27
SLIDE 27

❉✐s❝✉ss✐♦♥

▲✐q✉✐❞✐t② ♠❛♥✐♣✉❧❛t✐♦♥ ♠✐❣❤t ❜❡ ❛✈♦✐❞❡❞ ✐❢ t❤❡ ✉s❡ ♦❢ t❤❡ ❯❙❘ tr✐❣❣❡rs t❤❡ ❛♣♣❧✐❝❛t✐♦♥ ♦❢ ♣✉♥✐t✐✈❡ ❛❝t✐♦♥s ❛❣❛✐♥st t❤❡ ❜❛♥❦ ❋✐rst✲❜❡st ♣♦❧✐❝② ♠✐❣❤t ❜❡ ✐♠♣❧❡♠❡♥t❡❞ ✭❢♦r s♠❛❧❧ s❤♦rt❢❛❧❧s✴✐♥ ♥♦r♠❛❧ t✐♠❡s✮ ✐❢

◮ s♦❝✐❛❧ ♣❧❛♥♥❡r ❝♦✉❧❞ ❝♦♠♣❡♥s❛t❡ t❤❡ ❝❡♥tr❛❧ ❜❛♥❦ ❝♦♥t✐♥❣❡♥t ♦♥

t❤❡ ❧✐q✉✐❞✐t② s❤♦❝❦✿ ✐✳❡✳ α(v)

◮ s♦❝✐❛❧ ♣❧❛♥♥❡r ❝♦✉❧❞ ✉s❡ tr❛♥s❢❡rs t♦ t❤❡ ❝❡♥tr❛❧ ❜❛♥❦ ❝♦♥t✐♥❣❡♥t

♦♥ t❤❡ ❧✐q✉✐❞✐t② s❤♦❝❦

❘❡s✉❧ts ❛r❡ r♦❜✉st t♦

◮ ❝♦♥s✐❞❡r✐♥❣ t❤❛t ❞❡♣♦s✐t ✐♥s✉r❛♥❝❡ ❝♦r♣♦r❛t✐♦♥ ♠❛② ❛❝t ❛s ❧❡♥❞❡r

♦❢ ❧❛st r❡s♦rt

◮ t❤❡ ✐♥tr♦❞✉❝t✐♦♥ ♦❢ ❜❛♥❦ ❝❛♣✐t❛❧ P♦♥❝❡ ❛♥❞ ❘❡♥♥❡rt ✭❇❈❯ ❛♥❞ ❉❇✮ ❙②st❡♠✐❝ ❜❛♥❦s ❛♥❞ t❤❡ ▲▲❘ ❇❈❇ ✲ ✾ ❆✉❣✉st ✷✵✶✸ ✷✼ ✴ ✷✽

slide-28
SLIDE 28

❙✉♠♠❛r②

❲❡ ♣r♦♣♦s❡ ❛ ♠♦❞❡❧ ✇✐t❤ s②st❡♠✐❝ ❛♥❞ ♥♦♥✲s②st❡♠✐❝ ❜❛♥❦s ❖♣t✐♠❛❧ ❛❧❧♦❝❛t✐♦♥ ♦❢ ❧❡♥❞❡r ♦❢ ❧❛st r❡s♦rt r❡s♣♦♥s✐❜✐❧✐t✐❡s ❝♦♥s✐sts ♦❢✿ ❝❡♥tr❛❧ ❜❛♥❦ ❢♦r s♠❛❧❧ ❧✐q✉✐❞✐t② s❤♦❝❦s ✭♥♦r♠❛❧ t✐♠❡s✮ ✉♥❝♦♥❞✐t✐♦♥❛❧ s✉♣♣♦rt r✉❧❡ ❢♦r ❧❛r❣❡ ❧✐q✉✐❞✐t② s❤♦❝❦s ✭❝r✐s✐s t✐♠❡s✮ ❉✉❡ t♦ s②st❡♠✐❝ r✐s❦✱ r❡s♣♦♥s✐❜✐❧✐t✐❡s ❢♦r ❝❡♥tr❛❧ ❜❛♥❦ ❛r❡ ❡①t❡♥❞❡❞ ❝♦♠♣❛r❡ t♦ t❤❡ ❜❡♥❝❤♠❛r❦ ❝❛s❡

P♦♥❝❡ ❛♥❞ ❘❡♥♥❡rt ✭❇❈❯ ❛♥❞ ❉❇✮ ❙②st❡♠✐❝ ❜❛♥❦s ❛♥❞ t❤❡ ▲▲❘ ❇❈❇ ✲ ✾ ❆✉❣✉st ✷✵✶✸ ✷✽ ✴ ✷✽