This study examines the effect of intergroup inequity on supportive attitudes toward policies to reduce the inequity by government and causal inferences of individual negative results to companies in job-hunting, focusing on the inequity based on achieved status. We presented to undergraduates vignettes depicting a job-hunting situation, followed by an interuniversity inequity scenario. The results showed that for high in-group identifier, intergroup inequity enhanced supportive attitudes toward inequity policies by government, but for low in-group identifier, intergroup inequity did not influence the attitudes. And, the results showed that for high in-group identifier, intergroup inequity enhanced causal inferences of individual negative result to companies, but for low in-group identifier, intergroup inequity did not influence the inferences. We discussed the psychological responses in intergroup inequity from the perspective of achieved status, which has not been addressed in previous intergroup inequity studies. We constructed a new model and expect future studies to confirm the importance of intergroup inequity and achieved status on attitudes and causal inferences.