@inbook{Krueger2009,
author = {Krueger, A. and Kahneman, D. and Schkade, D. and Schwarz, N. and Stone, A.},
title= {National time accounting: The currency of life},
year = {2009},
doi = {10.7208/chicago/9780226454573.001.0001},
editor = {Krueger, A.},
booktitle = {Measuring the subjective well-being of nations: National accounts of time use and well-being},
address = {Chicago},
publisher = {University of Chicago Press},
pages = {9--86},
}