Teaching Innovations in Economics presents findings from the Teaching Innovations Program (TIP) funded by the National Science Foundation. The six-year project engaged economics professors in the use of interactive teaching in undergraduate economics courses. Each chapter offers an insightful...

We model a firm's decisions about product innovation, focusing on the extent to which features should be improved or changed in the succession of models that comprise a life cycle. We show that the structure of the internal and external environment in which a firm operates suggests when to...