Exam (elaborations)
BUAN 651 Final Exam Study Guide questions and answers.
- Course
- Institution
BUAN 651 Final Exam Study Guide questions and answers.
[Show more]
Content preview
BUAN 6337 EXAM 2 FULLY SOLVED & UPDATED 2024Longitudinal Data Analysis:
- How data is measured
- The models can distinguish... - answer - Repeated measurements are taken on a subject through time
- The models can distinguish changes over time within subjects from differences between subjects at their baseline levels & study changes over time between groups
Longitudinal Data Analysis:
- The models can estimate __________________ level regression parameters and ____________________ level regression parameters. - answer individual-
level (subject specific); population-level
Examples of Longitudinal Studies (3): - answer - Examine how price, capacity, and utilization affect the cost of an individual airline
- Examine whether the return on education changed over time
- Examine productivity growth across firms over time
Models that assume the observations are independent (OLS Regression) might be inappropriate for longitudinal data because - - answer - Measurements taken on the same subject
tend to be more similar than measurements taken on different subjects
- Measurements taken close in time on the same subject tend to be more similar than measurements taken far apart in time
- The variances of longitudinal data often change with time
Proc Panel Characteristics: - Can handle...
- Can handle...
- Can produce...
- Can test... - answer - Can handle a variety of error structures
- Can handle unbalanced panels
- Can produce several HCCME and HAC covariance matrices
- Can test for poolability, panel stationarity, autocorrelation
Proc Panel Error Structures (3 bullets): - answer - Fixed-effects, random effects, and hybrid models (Hausman-T aylor, Amemiya-MaCurdy
- Autoregressive models (first-order autoregression,
dynamic model with lagged regressors)
- Moving average models
Model Building Strategies:
- Conduct...
- Fit...
- T est...
- Run...
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller BRAINBOOSTERS. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $15.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
77254 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now