Researcher ORCID Identifier

0000-0003-4947-4517

Graduation Year

2023

Date of Submission

12-2022

Document Type

Open Access Senior Thesis

Degree Name

Bachelor of Arts

Department

Economics

Reader 1

Joshua Rosett

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© 2022 Jarrett D Korson

Abstract

This thesis examines whether there is a difference in salary for left-handed pitchers in Major League Baseball. I review prior research regarding the valuation of MLB pitchers, salary discrimination in baseball, and left-handed pitchers to shape my methodology. Using Sean Lahman’s Baseball Database, I utilize various regression models to analyze effects on salary. Variables are transformed into cumulative, per 9- inning values and left-handed interaction variables are created to observe any difference in salary experienced only by left-handers. The models show that for variables with a statistically significant effect on salary, left-handers experience a statistically significant effect on salary above and beyond the effect on all pitchers, providing evidence that there is a difference in salary for left-handed pitchers in the MLB.

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