-squares (OLS). To explore these conjectures, we derive an expression for OLS omitted variable bias in a univariate model with … conventional omitted variables bias. Moreover, we show that spatial dependence in the regressor exacerbates the usual bias that …

We examine evidence on omitted-ability bias in estimates of the economic return to schooling, using proxies for …

We examine evidence on omitted-ability bias in estimates of the economic return to schooling, using proxies for …