von Auer, Ludwig; Weinand, Sebastian - 2022
view of this, a nonlinear generalization of the CPD method has been developed. This NLCPD method can be employed at all … error is smaller than that of the CPD method, even in cases where the latter is unbiased. Finally, this paper applies the …The present paper shows that product-specific regional price dispersion usually causes the Country-Product-Dummy (CPD …