HECKMANN - Risk aware decisions Flashcards

1
Q

The ability of a system to return to its original state or move to a new, more desirable state after being disturbed is called robust-ness.

A

False

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2
Q

Traditional risk management addresses the assessment and management of natural and man-made disasters, major disruptions and market shifts, as well as common deviations and market volatility.

A

False

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3
Q

Which of the following concepts co-define resilience?

A

robustness & adaptability

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4
Q

The core characteristics of supply chain risk are

A

disruptive trigger, vulnerability, time, decision maker’s objectives and attitude

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5
Q

A Black Swan refers to:

A

an event that is not represented within a probability distribution

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6
Q

The value-at-risk (VaR) accounts for properties of the loss distribution beyond the confidence level.

A

False

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7
Q

The conditional-value-at-risk (CVaR) represents the expected loss beyond the value-at-risk (VaR).

A

True

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8
Q

Suppliers with very low Time-to-survive (TTS) values indicate

A

that more accurate Time-to-recovery (TTR) evaluation and closer monitoring for risk exposure are required

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9
Q

Contemporary, traditional risk analysis often refers to the risk definition R = PxS (R= risk, P = probability of an event, S = severity of an event). This definition often results in a misinterpretation of

A

probability

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10
Q

The analysis of potential disruptive triggers implies:

A

the identification of those processes that are affected by the trigger.

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11
Q

Suppliers with high total spend and high-performance impact are

A

strategic important suppliers that should be focused by long-term partnerships and risk- diversification contracts,

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12
Q

The higher the Time-to-Survive (TTS) compared to the duration of a disruption, the higher the risk

A

False

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13
Q

The value-at-risk (VaR) accounts for properties of the loss distribution beyond the confidence level of alpha

A

False

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14
Q

The conditional-value-at-risk (CVaR) represents the expected loss beyond the value-at- risk (VaR)

A

True

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15
Q

calculate the Value-at-Risk (VaR) at a 95% confidence level (alpha = 5%)

A

1.) Determine the cumulative probabilities: Add up probabilities of Scenarios until you reach or exceed the desired confidence level (95%)
2.) Identify the loss value at the desired cumulative probability (ablesen)
3.) VaR gefunden

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16
Q

Disruptive Trigger Formel

A

Line 3: u j = 0 ∀ j ∈ S n

17
Q

TTS Disruption Impact Extension

A

Line 5: ∑ k∈A α u k ≤ cαt(n)