From Longman Dictionary of Contemporary Englishpolitical/economic suicidepolitical/economic suicideDESTROYsomething you do that ruins your good position in politics or the economy He said a vote for Labour would be a vote for economic suicide. → suicide
Examples from the Corpus
political/economic suicide• The government believes it would be political suicide to allow pension contributions to rise above 30 percent.• To have taken on the world in that state would have been political suicide.• Hence Mr Yeltsin's dilemma: to persuade the deputies to commit political suicide without acting unconstitutionally.• It built the Central Valley Project to rescue the growers from economic suicide by groundwater overdraft.• Sensing his authority had ebbed, Fujimori grimly took the only exit left: political suicide, a move that stunned everyone. 