@inbook{Lesthaeghe2001,
author = {Lesthaeghe, R.  and Vanderhoeft, C. },
title= {Ready, willing, and able: A conceptualization of transitions to new behavioral forms},
year = {2001},
editor = {Casterline, J.B.},
booktitle = {Diffusion Processes and Fertility Transition:: Selected Perspectives},
address = {Washington, D.C},
publisher = {National Academies Press},
pages = {240--264},
}