00422pab a2200145 454500008004000000100001500040245008100055260000900136300001500145362000800160650002200168700002500190700002000215773004100235180718b2010   xxu||||| |||| 00| 0 eng d  aBudge, Ian  aIdeology, party factionalism and policy change: An integrated dynamic theory  c2010  ap.781-804.  aOct  aPolitical parties  aMcDonald, Michael D.  aEzrow, Lawrence  aBritish Journal of Political Science