The present research was conducted with the aim of examining the impact of corporate social responsibility on consumer citizenship behavior, considering the mediating role of perceived consumer effectiveness and consumer trust in chain stores in Mashhad. This research is applied in terms of objective and descriptive-survey in terms of method. To collect information, a combination of library and field research methods was used. The statistical population of this research includes all customers in chain stores in Mashhad, which is unlimited in number. According to Morgan's table, the sample size is 384 people, and to ensure the return of questionnaires, 400 questionnaires were distributed randomly among them. The data were analyzed using structural equations and with the help of LISREL software. The results indicate that corporate social responsibility has a significant impact on consumer citizenship behavior, considering the mediating role of perceived consumer effectiveness and consumer trust in chain stores in Mashhad.

The present research was conducted with the aim of examining the impact of corporate social responsibility on consumer citizenship behavior, considering the mediating role of perceived consumer effectiveness and consumer trust in chain stores in Mashhad. This research is applied in terms of objective and descriptive-survey in terms of method. To collect information, a combination of library and field research methods was used. The statistical population of this research includes all customers in chain stores in Mashhad, which is unlimited in number. According to Morgan's table, the sample size is 384 people, and to ensure the return of questionnaires, 400 questionnaires were distributed randomly among them. The data were analyzed using structural equations and with the help of LISREL software. The results indicate that corporate social responsibility has a significant impact on consumer citizenship behavior, considering the mediating role of perceived consumer effectiveness and consumer trust in chain stores in Mashhad.