TY  - BOOK
TI  - Natural Experiments in the Social Sciences :: a design-based approach
SN  - 9781107698000 (sftbd)
U1  - 300.724 
PY  - 2012///
CY  - Cambridge
PB  - Cambridge University Press
N1  - Why natural experiments? --
Standard natural experiments --
Regression-discontinuity designs --
Instrumental-variables designs --
Simplicity and transparency: keys to quantitative analysis --
Estimating variability: sampling processes and standard errors --
The central role of qualitative evidence --
How plausible is as-if random? --
How credible is the model? --
How relevant is the intervention? --
Building strong research designs through multi-method
ER  -