Dataset on settler mortality.
logarithm of Mort
Average protection against expropriation risk
Data set was analysed in Acemoglu et al. (2001). A detailed description of the data can be found at http://economics.mit.edu/faculty/acemoglu/data/ajr2001
D. Acemoglu, S. Johnson, J. A. Robinson (2001). Colonial origins of comparative development: an empirical investigation. American Economic Review, 91, 1369–1401.