This paper, which is joint with Emmanuelle Auriol, Julie Lassébie, Amma Panin and Eva Raiber, is now published at the Quarterly Journal of Economics. It’s available on open access here:
https://academic.oup.com/qje/article/135/4/1799/5861944
We started this project back in 2015.
Here are some pictures of very colorful Ghanaian coffins: