Angrist, Joshua D.; Graddy, Kathryn; Imbens, Guido W. - 2022
market in New York City to estimate an average elasticity of wholesale demand for fresh fish. The weighting function …Instrumental variables (IV) estimation of a demand equation using time series data is shown to produce a weighted … average derivative of heterogeneous potential demand functions. This result adapts recent work on the causal interpretation of …