Abstract: Systems and methods for managing advertisement campaign are provided. The system includes one or more devices having a processor and a non-transitory storage medium accessible to the hardware processor. The system includes a memory storing a database including campaign data. The system also includes a server computer in communication with the database. The server computer is programmed to receive a budget to be spent on a plurality of websites. The server computer is programmed to estimate a parameter for a non-linear model based on the campaign data. The server computer is programmed to estimate an expected number of conversions for each of the plurality of websites using the non-linear model with the estimated parameter. The server computer is programmed to determine an allocation of impressions for the plurality of websites that maximizes an estimated total number of conversions.