Recent Lessons

Show all results for ""

Feature Overview

Ace your exams with our all-in-one platform for creating and sharing quizzes and tests.

Quizzes

Create quizzes and tests automatically from your content using AI.

Flashcards

Automatically turn your notes into digital flashcards.

Share, Export & Embed

Share with classmates or export to Excel and your learning management system.

Stats & Reporting

Auto-grading quizzes and tests with detailed stats and reports.

Mobile Apps

The smarter way to study – wherever you are.

Pricing

Search...

Economic Dual Variables and Interpretations Quiz

12 Questions

2 Views

Economic Dual Variables and Interpretations Quiz

Choose a study mode

Play Quiz

Study Flashcards

Spaced Repetition

Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What does the variable $\lambda$ represent in the context of DEA optimization problem?

The technical efficiency ratio of DMU

The simultaneous reduction rate of DMU's inputs/outputs

The input excesses and output shortfalls (correct)

The virtual output value of DMU

In the CCR envelopment form, what does the variable $s_{i,r}^-$ represent in the output-oriented analysis?

Virtual input value of DMU

Simultaneous reduction rate of DMU's outputs

Difference between actual and ideal output (correct)

Contribution of DMU to the virtual output value of another DMU

What is the purpose of using the two-step procedure to identify technical and mix inefficiencies in DEA optimization?

To compute the slack variables efficiently

To estimate the virtual input and output values of each DMU

To assess the contribution of each DMU to the performance of other DMUs

To separate the technical inefficiency from mix inefficiency (correct)

What information is not explicitly provided by the CCR formulations in envelopment form?

Amounts of input excesses and output shortfalls Signup and view all the answers

What do CCR models in multiplier form provide?

Measurement of technical efficiency Signup and view all the answers

In DEA analysis, what do the duals of multiplier formulations help us understand?

Non-radial counterparts of CCR models Signup and view all the answers

What is the purpose of the BCC model in envelopment form?

Measurement of pure technical efficiency Signup and view all the answers

How can CCR and BCC radial models be extended to perform non-oriented analyses?

By introducing slacks and reformulating the models Signup and view all the answers

In the Charnes & Cooper Transformation, what does the variable '𝑢' represent?

A multiplier for the outputs weights Signup and view all the answers

What is the objective of the Input-oriented Analysis in the CCR Models?

Maximize the sum of the input weights Signup and view all the answers

According to Charnes, Cooper, and Rhodes (1978), what can be learned from the duals of the multiplier formulations?

The relationship between inputs and outputs Signup and view all the answers

What is the significance of the weights 𝑣 and 𝑢 in the CCR multiplier formulations?

They reflect the contribution of each input and each output to the efficiency profile of a DMU Signup and view all the answers