Exploiting time series of the cost of a staples basket across 75 Russian regions over 1994-2000, price linkages of the regions are analyzed with the use of Granger causality as a tool. Price linkages of Russian regions are found extensive: on average, an individual regional market is linked...

Purpose – This paper aims to make a preliminary estimate of the degree of integration in the US product market (widely acknowledged to be the most integrated among geographically large economies) as an upper bound of spatial integration that is practically achievable in markets covering fairly...