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***********************************************************; gen hearn=earn/hours if earngt;0 amp; hoursgt;0; replace hearn=.
***********************************************************; gen hearn=earn/hours if earn>0 & hours>0; replace hearn=. If hearn>100 | hearn<4; gen lnhearn=log(hearn); *********************************************************** Here I regress hourly earnings onto education in a number of different ways. We will talk about how to interpret the education coefficient in these different cases. Gen lnhearnc=log(hearnc); reg lnhearnc educatt; /* will educatt coefficient change?