Empirical trade economists have found that shocks on foreign direct investment (FDI) of some parent country in a host country affect the same parent country’s FDI in other hosts (interdependent hosts). Independent of this, there is evidence that shocks on a parent country’s FDI in some host...

This paper develops a unified framework for fixed and random effects estimation of higher-order spatial autoregressive panel data models with spatial autoregressive disturbances and heteroskedasticity of unknown form in the idiosyncratic error component. We derive the moment conditions and...