Arbeitspapier

Bounds with Imperfect Instruments: Leveraging the Implicit Assumption of Intransitivity in Correlations

Instrumental variables (IV) is an indispensable tool for establishing causal relationships between variables. Recent work has focused on improving bounds for cases when an ideal instrument does not exist. We leverage a principle, "Intransitivity in Correlations," related to an under-utilized property from the statistics literature. From this principle, it is straightforward to obtain new bounds. We argue that these new theoretical bounds become increasingly useful as instruments become increasingly weak or invalid.

Language
Englisch

Bibliographic citation
Series: IZA Discussion Papers ; No. 10646

Classification
Wirtschaft
Single Equation Models: Single Variables: Instrumental Variables (IV) Estimation
Subject
instrumental variables
bounding
partial identification
transitivity in correlations

Event
Geistige Schöpfung
(who)
Wiseman, Nathan
Sorensen, Todd A.
Event
Veröffentlichung
(who)
Institute of Labor Economics (IZA)
(where)
Bonn
(when)
2017

Handle
Last update
10.03.2025, 11:42 AM CET

Data provider

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Object type

  • Arbeitspapier

Associated

  • Wiseman, Nathan
  • Sorensen, Todd A.
  • Institute of Labor Economics (IZA)

Time of origin

  • 2017

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