Poland has historically demonstrated exceptional resiliency in the face of change. This paper examines how Poland coped with huge structural realignments from the rise of Solidarity until the present, seeking to provide an objective analysis of Poland’s evolution of trade structures while it...

Recent concepts as megaregions and polycentric urban regions emphasize that external economies are not confined to a single urban core, but shared among a collection of close-by and linked cities. However, empirical analyses of agglomeration and agglomeration externalities so-far neglects the...

The linear correlation quotient allows us to ascertain the existence of a linear link between the variables of the regression model. This paper attempts to examine the interpretation of the residual variables through the perspective of models used.

We employ data envelopment analysis (DEA) methods to construct the world production frontier, which is in turn used to decompose (labor) productivity growth into components attributable to technological change (shift of the production frontier), efficiency change (movements toward or away from...

The relationship between inflation and price variability has been of interest to economists for many years. Recently, Ball and Mankiw [1995] have proposed a menu-cost model of price stickiness in which the skewness of relative price infla - tion matters as well as the standard deviation. In this...