Zhichao, Jiang; Yasutaka, Chiba; VanderWeele Tyler J. - In: Journal of Causal Inference 2 (2014) 1, pp. 12-12
Manski (Monotone treatment response. Econometrica 1997;65:1311–34) and Manski and Pepper (Monotone instrumental variables: with an application to the returns to schooling. Econometrica 2000;68:997–1010) gave sharp bounds on causal effects under the assumptions of monotone treatment response (MTR)...
