Siliverstovs, Boriss; Schumacher, Dieter - In: Applied Economics Letters 14 (2007) 14, pp. 1065-1073
This study compares two alternative approaches-the traditional ordinary least square (OLS) and the Poisson Quasi Maximum Likelihood (PQML) procedures-to estimation of the home market effects for the heterogeneous, the reference priced and the homogeneous goods in the gravity model derived in...