Transmission of Domestic and External Shocks Through Input-Output Network: Evidence from Korean Industries

26 Pages Posted: 18 Jun 2019

See all articles by Dongyeol Lee

Dongyeol Lee

The Bank of Korea; Bank of Korea - Economic Research Institute

Date Written: May 2019

Abstract

In the last two decades, manufacturing industries in Korea have become more concentrated, and interconnectedness across industries and to foreign countries has risen via vertical relationships and trade linkages. This paper investigates the transmission of economic shocks in such a highly concentrated and interconnected structure, focusing on the role of vertical and trade linkages and using the industry-level international input-output data. The results suggest that, first, the role of vertical and trade linkages in propagating growth shocks from both domestic sources and external sources is important. Second, the growth impact of a few key sources of economic shocks is relatively large. These findings highlight that economic shocks in a few key industries and/or major trading partners that are transmitted through vertical and trade linkages can lead to large swings in the overall economy. This paper contributes to the understanding of the potential interactions between the industrial structure and economic growth and stability.

Keywords: Economic stabilization, Economic growth, Supply and demand, Business cycles, Manufacturing sector, Transmission of Shocks, Vertical Linkage, Trade Linkage, Aggregate Fluctuations, Korean economy, external shock, economic shock, linkage, industry level

JEL Classification: E32, F14, F44, F62, L14, E01, O4, F1, L6, L31

Suggested Citation

Lee, Dongyeol, Transmission of Domestic and External Shocks Through Input-Output Network: Evidence from Korean Industries (May 2019). IMF Working Paper No. 19/117, Available at SSRN: https://ssrn.com/abstract=3405985

Dongyeol Lee (Contact Author)

The Bank of Korea ( email )

39, Namdaemun-ro, Jung-gu
Seoul, 04531
Korea, Republic of (South Korea)

Bank of Korea - Economic Research Institute ( email )

110, 3-Ga, Namdaemunno, Jung-Gu
Seoul 100-794
Korea, Republic of (South Korea)

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