Spatial Analysis of Food Inflation in Russian Regions

Spatial interactions among modelling economic variables observed in spatially distributed units (due to their economic and trade relations) may be considered as an additional explanatory variable in a regression model (which generally prevents from its misspecification). Usually, spatial interaction...

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Main Author: Andrey Mikhailovich Kirillov
Format: Article
Language:Russian
Published: Economic Research Institute of the Far East Branch of the Russian Academy of Sciences 2017-12-01
Series:Prostranstvennaâ Èkonomika
Subjects:
Online Access:http://www.spatial-economics.com/images/spatial-econimics/2017_4/SE.2017.4.041-058.Kirillov.pdf
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author Andrey Mikhailovich Kirillov
author_facet Andrey Mikhailovich Kirillov
author_sort Andrey Mikhailovich Kirillov
collection DOAJ
description Spatial interactions among modelling economic variables observed in spatially distributed units (due to their economic and trade relations) may be considered as an additional explanatory variable in a regression model (which generally prevents from its misspecification). Usually, spatial interactions are included in a regression in the form of spatial lag. In this paper we conduct a spatial econometric analysis of consumer price indexes for foodstuffs (FCPIs) observed in Russian regions. There are 79 regions in our sample for the period of time from 2002 to 2015 (data structured in panel). Our research aims at testing hypotheses of 1) presence of spatial correlation, and 2) of its heterogeneity among regional FCPIs. We develop a spatial panel data model with two matrixes of spatial weights (which are inverse distances with the breakpoint distance of 5000 kilometers between administrative centers of regions measured by roads) to test research hypotheses. In our model, the first matrix serves to estimate spatial correlation among regions up to break point distance between them, while second matrix catches spatial interactions among regions farther than break point distance from one each other. We find strong empirical evidence that 1) there is statistically significant spatial correlation among Russian FCPIs, 2) estimated spatial correlation is heterogeneous and the degree of its heterogeneity depends on the distance. That is, spatial relation shrinks as distance between regions rise and vice versa, or alternatively the closer one region to another, the higher expected inflationary relations between them
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spelling doaj.art-7babba23a8b7425ea4ee36f0563bd8b52022-12-21T19:51:50ZrusEconomic Research Institute of the Far East Branch of the Russian Academy of SciencesProstranstvennaâ Èkonomika1815-98342587-59572017-12-014415810.14530/se.2017.4.041-058Spatial Analysis of Food Inflation in Russian RegionsAndrey Mikhailovich Kirillov0National Research University ‘Higher School of Economics’Spatial interactions among modelling economic variables observed in spatially distributed units (due to their economic and trade relations) may be considered as an additional explanatory variable in a regression model (which generally prevents from its misspecification). Usually, spatial interactions are included in a regression in the form of spatial lag. In this paper we conduct a spatial econometric analysis of consumer price indexes for foodstuffs (FCPIs) observed in Russian regions. There are 79 regions in our sample for the period of time from 2002 to 2015 (data structured in panel). Our research aims at testing hypotheses of 1) presence of spatial correlation, and 2) of its heterogeneity among regional FCPIs. We develop a spatial panel data model with two matrixes of spatial weights (which are inverse distances with the breakpoint distance of 5000 kilometers between administrative centers of regions measured by roads) to test research hypotheses. In our model, the first matrix serves to estimate spatial correlation among regions up to break point distance between them, while second matrix catches spatial interactions among regions farther than break point distance from one each other. We find strong empirical evidence that 1) there is statistically significant spatial correlation among Russian FCPIs, 2) estimated spatial correlation is heterogeneous and the degree of its heterogeneity depends on the distance. That is, spatial relation shrinks as distance between regions rise and vice versa, or alternatively the closer one region to another, the higher expected inflationary relations between themhttp://www.spatial-economics.com/images/spatial-econimics/2017_4/SE.2017.4.041-058.Kirillov.pdfregional inflationCPIconsumer price indexfood inflationspatial econometricsspatial correlationregionRussia
spellingShingle Andrey Mikhailovich Kirillov
Spatial Analysis of Food Inflation in Russian Regions
Prostranstvennaâ Èkonomika
regional inflation
CPI
consumer price index
food inflation
spatial econometrics
spatial correlation
region
Russia
title Spatial Analysis of Food Inflation in Russian Regions
title_full Spatial Analysis of Food Inflation in Russian Regions
title_fullStr Spatial Analysis of Food Inflation in Russian Regions
title_full_unstemmed Spatial Analysis of Food Inflation in Russian Regions
title_short Spatial Analysis of Food Inflation in Russian Regions
title_sort spatial analysis of food inflation in russian regions
topic regional inflation
CPI
consumer price index
food inflation
spatial econometrics
spatial correlation
region
Russia
url http://www.spatial-economics.com/images/spatial-econimics/2017_4/SE.2017.4.041-058.Kirillov.pdf
work_keys_str_mv AT andreymikhailovichkirillov spatialanalysisoffoodinflationinrussianregions