Rather, Sartaj Rasool; Durai, S. Raja Sethu; … - In: Applied Economics Letters 21 (2014) 2, pp. 80-83
The U-shaped relationship between inflation and price dispersion around nonzero inflation rate is due to the use of aggregate measure of relative price variability (RPV), which amounts to specification errors in a piecewise linear regression models. However, the true underlying relationship...