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Senior Project Presentations

Senior Project Presentations. Time Matters. Presentation Time Limit -- 7 minutes Going over will effect your grade! Not counting questions Determine What Points Are Worth Making (Do This Before Making PP Slides). Overview of Slide Types. Defining the Topic/Problem

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Senior Project Presentations

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  1. Senior Project Presentations

  2. Time Matters • Presentation Time Limit -- 7 minutes • Going over will effect your grade! • Not counting questions • Determine What Points Are Worth Making (Do This Before Making PP Slides)

  3. Overview of Slide Types • Defining the Topic/Problem • Build interest in economic content • Background • Key Findings • Questions/Problems/Issues

  4. From Written Report to PowerPoint • How Many Slides? • @ x minutes per slide • Remember, slides should augment, not replace, oral presentation: • Emphasis • Illustration (tables/graphs) • Clarification

  5. Example: “Positional Segregation”

  6. Positional Segregation in Sports Discrimination or Comparative Advantage

  7. Positional Segregation: The Issue • NFL in late 1990s: white-black QB ratio 3:1 while cornerback ratio 1:60 • MLB in 1980s: blacks comprise 7% of pitchers but 70% of outfielders • Does figures such as these reflect discrimination or some underlying competitive advantage?

  8. Possible Economic Explanations • Employer-Manager, Employee, or Fan bias (Scully 1974; Curtis and Loy 1978; Yetman 1987) • Different Training opportunities (Medoff 1986) • Non-discrimination Explanations? • Differences in Underlying Athletic Abilities “Athletic Endowment”

  9. Distribution of Athletic Endowments • At Individual Level – prima facie evidence • At Aggregate Levels Marked by Geographic Areas or racial/ethnic Groups? • Anecdote/Science of Nepalese Sherpas • Mixed Evidence from Exercise Science • Related Evidence in Medical Problems

  10. Key Caveats • Not assuming a correlation between athletic skill and mental capacity. • Not limited to race-based groupings -- broader and narrower than race alone

  11. Evidence • Does Track & Field Performance Differ by Ancestral Region? • Data for top 20 performing athletes in variety of events • Contingency Table Analysis • Comparisons of Regional Percentages • Logistic Regression • Controlling for differences in population and income

  12. Contingency Table

  13. Logistic Regression

  14. Evaluating Results • What is the basis of this geographic dependence? • Managerial/Employee/Customer Bias? • Training? • Comparative Advantage? • How Big of a Difference Might Comparative Advantage Make? • Small differences & distributional effects, see Martel, et al, American Psychologist (1996)

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