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For all specifications, we cluster standard errors at the firm level.
I apply NLSY79 sample weights and cluster standard errors around the lagged state.
For annual international migration we cluster standard errors at the municipal level.
We also cluster standard errors at the bank level (Petersen 2009).
We cluster standard errors by firm to control for cross-sectional correlation.
Given that our policy variables have variation at the regional level, we cluster standard errors at that level of variation.
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Clustered standard errors shown in parenthesis.
Clustered standard errors at the family level in parentheses.
Simultaneous equation estimation (GMM with fixed effects) (clustered standard errors by bank in parentheses) (1,980 observations).
I address this potential issue by clustering standard errors at county-level in all my regressions.
We clustered standard error by first stage sampling unit (village/urban blocks).
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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com