nvestigating the effect of employees' perception of organizational justice on organizational trust in employees of Hamadan Social Security Department

Companies are always looking for profit and in order to earn profit, they must pay attention to customer needs, so the issue of consumer behavior is raised, which is one of the most important marketing issues. In the field of consumer behavior, there are various types of purchases, one of the classifications of which includes sudden purchases. The science of marketing seeks to influence consumer behavior. Applying knowledge of consumer behavior in order to develop a marketing strategy is an art. For this reason, analyzing the effects of consumer behavior on marketing strategies is a step beyond a science and is considered an art. Consumer behavior involves a variety of psychological and social processes that exist before and after buying and consuming activities. Behind every buying action lies an important decision-making process that must be considered. The purpose of this study was to investigate the effect of external and internal factors on sudden purchases. In terms of purpose, this research is an applied research and placed in the category of causal researc