Economics is split between analysis of how the overall economy works and how single markets function Physicists look at the big world of planets, stars, galaxies, and gravity. But they also study the ...

The authors show how to use microlevel survey data from a tracking study on brand awareness in conjunction with data on sales and advertising expenditures to improve the specification, estimation, and ...

This is a preview. Log in through your library . Abstract Past research has provided evidence of the role of some personal characteristics (age, gender, religion) as risk factors for depression.