variable			explanation

county				name of county
year				fiscal year
expenditures			total county expenditures on elections
operating_expenses		county operating expenses for elections
capital_outlays			county capital outlays for elections
deflator			state and local government price deflator
pop				population of county
registered_voters		number of registered voters in county
general_system			general voting system used by the county
specific_system			specific brand of voting system used by the county
switch				first time county uses a voting system
assessed_value			net assessed value of county tax base
black_pop			black population of county
hispanic_pop			Hispanic population of county
pop_65plus			county population 65 and older
rural_pop			county population that is rural
county_id			id number for each county
def_operating_per_voter		deflated operating expenses per registered voter
def_capital_per_voter		deflated capital outlays per registered voter
lag_operating			lagged deflated operating expenses per registered voter
lag_capital			lagged capital outlays per registered voter
pop_millions			county population in millions
mark_sense			indicator for mark sense system
punch_card			indicator for punch card system
touch_screen			indicator for touch screen system
voting_machine			indicator for voting machine system
accuvote_es2000			indicator for Accu-Vote ES-2000 system
accuvote_ts			indicator for Accu-Vote touch screen system
ais				indicator for AIS system
automatic			indicator for Automatic system
avc_edge			indicator for AVC Edge system
datavote			indicator for Datavote system
markavote			indicator for Mark-a-Vote system
optech				indicator for Optech system
optivote			indicator for Opti-Vote system
pollstar			indicator for Pollstar system
shoup				indicator for Shoup system
votomatic			indicator for Votomatic system
mark_sense_switch		interaction between mark sense system and switch
touch_screen_switch		interaction between touch screen system and switch
accuvote_es2000_switch		interaction between Accu-Vote ES-2000 system and switch
accuvote_ts_switch		interaction between Accu-Vote touch screen system and switch
ais_switch			interaction between AIS system and switch
avc_edge_switch			interaction between AVC Edge system and switch
markavote_switch		interaction between Mark-a-Vote system and switch
optech_switch			interaction between Optech system and switch
pollstar_switch			interaction between Pollstar system and switch
primary				indicator variable for primary election years
per_cap_assess_val		per capita deflated net total assessed value in hundreds of millions of dollars
percent_black			percent of population that is black
percent_hispanic		percent of population that is Hispanic
percent_minority		percent of population that is either black or Hispanic
percent_65plus			percent of the population that is age 65 or over
percent_rural			percent of the population that lives in a rural area
yr1992				indicator for the year 1992
yr1993				indicator for the year 1993
yr1994				indicator for the year 1994
yr1995				indicator for the year 1995
yr1996				indicator for the year 1996
yr1997				indicator for the year 1997
yr1998				indicator for the year 1998
yr1999				indicator for the year 1999
yr2000				indicator for the year 2000
yr2001				indicator for the year 2001
yr2002				indicator for the year 2002
yr2003				indicator for the year 2003
alameda				indicator for Alameda County
alpine				indicator for Alpine County
amador				indicator for Amador County
butte				indicator for Butte County
calaveras			indicator for Calaveras County
colusa				indicator for Colusa County
contracosta			indicator for Contra Costa County
delnorte			indicator for Del Norte County
eldorado			indicator for El Dorado County
fresno				indicator for Fresno County
glenn				indicator for Glenn County
humboldt			indicator for Humboldt County
imperial			indicator for Imperial County
inyo				indicator for Inyo County
kern				indicator for Kern County
kings				indicator for Kings County
lake				indicator for Lake County
lassen				indicator for Lassen County
losangeles			indicator for Los Angeles County
madera				indicator for Madera County
marin				indicator for Marin County
mariposa			indicator for Mariposa County
mendocino			indicator for Mendocino County
merced				indicator for Merced County
modoc				indicator for Modoc County
mono				indicator for Mono County
monterey			indicator for Monterey County
napa				indicator for Napa County
nevada				indicator for Nevada County
orange				indicator for Orange County
placer				indicator for Placer County
plumas				indicator for Plumas County
riverside			indicator for Riverside County
sacramento			indicator for Sacramento County
sanbenito			indicator for San Benito County
sanbernardino			indicator for San Bernardino County
sandiego			indicator for San Diego County
sanjoaquin			indicator for San Joaquin County
sanluisobispo			indicator for San Luis Obispo County
sanmateo			indicator for San Mateo County
santabarbara			indicator for Santa Barbara County
santaclara			indicator for Santa Clara County
santacruz			indicator for Santa Cruz County
shasta				indicator for Shasta County
sierra				indicator for Sierra County
siskiyou			indicator for Siskiyou County
solano				indicator for Solano County
sonoma				indicator for Sonoma County
stanislaus			indicator for Stanislaus County
sutter				indicator for Sutter County
tehama				indicator for Tehama County
trinity				indicator for Trinity County
tulare				indicator for Tulare County
tuolumne			indicator for Tuolumne County
ventura				indicator for Ventura County
yolo				indicator for Yolo County
yuba				indicator for Yuba County