The article analyzes the necessity to study the economic impact of eventive measures on the host tourist destination. The nature of the economic impact of eventive measures on the destination is revealed. The significance of eventive measures for tourism development in certain destinations is substantiated. The basic directions of estimation of economic impact of events on a destination are presented: determination of direct influence; taken into account in conjunction with the direct effect also of the indirect and induced multiplier effect; other formats for determining the cost-effectiveness of events. It is argued that in order to determine the direct impact of eventive measures on the economy of the destination (city, region), first of all, we need to determine the return on investments, taking into account the cost of business structures for the event and the amount of funds raised in the charity for the event. It is proved that when calculating the revenue of a tourist destination from an event, it is necessary to take into account the tourists expenses for transport and other services related to the specifics of the event. At the same time, the author proposes to take into account the outflow of funds from the destination at the expense of the cost of the prize fund, imported goods and more when calculating the multiplier effect. The problem of possible negative economic impact of eventive measures for local residents was also updated. The need for a comprehensive approach to assessing the impact of eventive measures on a destination, taking into account socio-cultural, environmental, technological impacts, is generalized. The need for a comprehensive approach to assessing the impact of eventive measures on a destination, taking into account socio-cultural, environmental, technological impacts, is generalized.The direct effect is determined based on the amount of economic activity revenues directly related to the eventive measures. These indicators are determined because of surveys or estimates, taking into account the number of visitors and the cost of the main components of an eventive product. The dynamics, magnitude and impact of the eventive measures growth have contributed to the emergence of scientific researches regarding their economic impact on the host destination.