Realizing the potential for economics research depends on the successful completion of several interdependent tasks: • A problem is identified, • Data related to the problem are collected, • Description transforms data into useful information, • Theory is brought to bear...

In discrete choice models the marginal effect of a variable of interest that is interacted with another variable differs from the marginal effect of a variable that is not interacted with any variable. The magnitude of the interaction effect is also not equal to the marginal effect of the...