消費者物価の地域差 [in Japanese] Regional differences in consumer price levels [in Japanese]
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This paper analyses the regional price differentials across Japanese Prefectures usingNational Survey of Prices conducted in 1997,2002, and 2007. We focus on the system of regionalprice indices, that is, the sampling design, the survey method to collect prices, and the method ofcalculating regional price indices. Our main findings are as follows. First, the tighter thedefinition of the product specification used in an item, the smaller the regional difference in pricesof the item across regions. Second, the difference in the consumer purchasing patterns at variousoutlet types and various outlet locations affect regional price differentials. Therefore, theproduct specifications used for each item and the differences in the consumer purchasing patternsacross regions affect price variations and regional price differentials. As we see the regionalprice differentials, it should be noticed that at least a fraction of differentials stems from thesecauses.
群馬大学社会情報学部研究論集 (18), 141-162, 2011-03-31