MEASURING SPILLOVER EFFECTS OF SHOCKS TO THE ALASKA ECONOMY: AN INTER-REGIONAL SOCIAL ACCOUNTING MATRIX (IRSAM) MODEL APPROACH

Chang K. Seung

Economic Systems Research, 2014, vol. 26, issue 2, 224-238

Abstract: An inter-regional social accounting matrix (IRSAM) model is used to estimate the spillover effects occurring between economies of two US regions -- (i) Alaska, which depends heavily on imports of commodities and factors of production from outside the region, and (ii) the rest of the US (RoUS). Multiplier decomposition is used to calculate intra-regional multipliers and spillover effects between the two regions. Results show that a significant percentage (46.3--70.8%) of the total secondary impacts of a shock to Alaskan industries leaks out of Alaska and flows to the RoUS. An analysis of household multipliers indicates that over 60% of the total secondary effects of an increase in Alaska household income accrues to the RoUS households. Policymakers are concerned with identifying the magnitude, nature, and geographic distribution of economic impacts from the policies they implement. The IRSAM model provides the framework for a better understanding of the intra-regional and spillover effects of policies.

Date: 2014
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DOI: 10.1080/09535314.2013.803039

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