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Wayne State University

Elections And Asset Pricing: The Politically Sensitive Equity Of Us Military Contractors

Abstract

dc:description.abstract

<p>I quantify the relationship between political uncertainty and equity volatility in the months around US elections from 1989-2012. The Economic Policy Uncertainty Index and Stockholm International Peace Research Institute (SIPRI) data are employed to measure political uncertainty faced by military contractors, capitalizing on the unique monopsony-oligopoly business environment of these firms. I employ a GARCH (1,1) model with cross-sectionally correlated moments to produce daily firm-election volatility measures. Volatility increases 11% for local, 27% for midterm, and 43% for presidential elections. These measures demonstrate that all election categories: local, federal, presidential, and midterm exhibit differential effects on equity volatility. My results contrast prior equity volatility research, showing that equity volatility increases much earlier but more gradually for US elections than for international (parliamentary) elections. I show that the political uncertainty index values in September predict the equity volatility before, during, and after November elections. I present a parsimonious piecewise function to model the distinct and predictable daily equity volatility profile in the months around US elections.</p>

Degree

thesis:*
Name thesis:degree_name
Ph.D.
Level thesis:degree_level
Open Access Dissertation
Discipline thesis:degree_discipline
Management and Information Systems
Year dc:date.available
2014

Author and committee

dc:creator, dc:contributor.*
Author dc:creator
  • Ross, Matthew Mark
Contributors dc:contributor
  • Mbodja Mougoué

Subjects

dc:subject × 7

Identifiers

dc:identifier.*
OAI identifier oai:identifier
oai:digitalcommons.wayne.edu:oa_dissertations-1995

Chain of custody

source
Harvested from
Wayne State University
Base URL
digitalcommons.wayne.edu/do/oai/
Last updated
2026-07-24
Source record
OAI-PMH GetRecord
citation

Ross, Matthew Mark. Elections And Asset Pricing: The Politically Sensitive Equity Of Us Military Contractors. Open Access Dissertation thesis, 2014. https://digitalcommons.wayne.edu/oa_dissertations/996