IPS_coefs               Initial coefficients of individual pension
                        system data
IPS_data                The individual pension system data of Turkey
RoMLE.error             Robust Maximum Likelihood Estimation for
                        Spatial Error Model
SpatialRoMLE            Spatial Robust MLE Package
TRQWM                   Queen weight matrix of Turkey
unemployment_coefs      Initial coefficients of unemployment data
unemployment_data       Unemployment data of Turkey
