Variable Name Description quarter Year, followed by decimal point, then quarter (Quarterly data only) year Year (Annual data only) force Number of uses of force in quarter cpi Change in comsumer price index unemp Unemployment rate sp S&P 500 Index gdpgrow Change in GDP confid S&P 500 Index, holding inflation and real growth constant wecycle Wartime election cycle dummy pecycle Peacetime election cycle dummy war Ongoing war dummy misery "Misery Index" (Unemployment + inflation) wmisery "misery," weighted by "economy" economy % of public citing economy as most important problem forpol % of public citing foreign policy as most important problem approval Presidential approval, according to Gallup Poll opportun "Opportunities" to use force, according to Meernik (1994) truman Truman administration dummy eisen Eisenhower administration dummy kennedy Kennedy administration dummy johnson Johnson administration dummy nixon Nixon administration dummy (quarterly data only) ford Ford administration dummy (quarterly data only) nix_ford Nixon and Ford administration dummy (annual data only) carter Carter administration dummy reagan Reagan administration dummy bush Bush administration dummy clinton Clinton administration dummy v1969_94 1969-94 period dummy v1973_94 1973-94 period dummy v1969_80 1969-80 period dummy v1990_94 1990-94 period dummy