Correcting Regressor-Endogeneity Bias via Instrument-Free Joint Estimation Using Semiparametric Odds Ratio Models.

J Mark Res · 2024 · PMC13020957 · PMID 41909485

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an increasing trendno p-value reported

In the data set, the log retail price is time detrended to eliminate an increasing trend of retail price over the five-year study period.

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