Unbiased Analysis of Today's Healthcare Issues

Heckman’s “Econometric Causality”

Nobel laureate James Heckman has a nice summary of how applied econometricians and policy researchers should define causality. Some of the more interesting points I have excerpted below. On the source of randomness in a sample “One reason why many statistical models are incomplete is that they do not specify the sources of randomness generating […]

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Sample Selection vs. Two-part Model

Much of health care data is characterized by a large cluster of data at 0, and a right skewed distribution of the remaining outcomes. For instance, people who do not get sick generally use $0 of medical care. Those who do get sick, use a varying amount of medical care dollars, but there are a […]

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