what is the difference between a fixed effects model and a variable-based variable-based model what's an example of a fixed effect model what is the difference between an independent and fixed effects model when a fixed effect model is applied to a time series based on an independent variable, how does it work? why use a fixed effects dataset what is the purpose of a fixed effects model what if the unobserved things on each stock are not a characteristic of a specific stock why use a fixed effects model how is fixed effect model implemented what kind of bias could be omitted in a fixed effects model? what is the difference between variable and fixed effect model what does fixed effects mean can an unobserved thing change in a fixed effects model how can a fixed effect model be used what is the omitted variable in this fixed effects model what would cause a fixed effect analysis when using a fixed effects model which of the following describes an example of a fixed effects model? how does the fixed effects model work what's an example of a fixed effects model