Journal of Economic Theory and Econometrics: Journal of the Korean Econometric Society

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Journal of Economic Theory and Econometrics
Journal of the Korean Econometric Society

Journal of Economic Theory and Econometrics (JETEM) is a peer-reviewed, internet-based, open-access international journal aiming to publish high-quality papers in all areas of economics. JETEM is the official publication of the Korean Econometric Society, carrying papers written either in English or in Korean. In this web-site, all English articles are fully downloadable free of charge; for Korean articles, only the title and the abstract in English are provided along with a fee-based link to the full text.

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Recently Published Articles

Volume 29, Issue 4 (December 2018)

Abstract | PDF (867 kilobytes)

No abstract is available for this article.

Optimal robust allocation of private goods, Pages 1–15

Kiho Yoon

Abstract | PDF (117 kilobytes)

We characterize the optimal robust mechanisms for the allocation of private objects, where robust mechanisms are those mechanisms that satisfy dominant strategy incentive compatibility, ex-post individual rationality, and expost no budget deficit, and optimal robust mechanisms are the ones that maximize the expected sum of players' payoffs among all robust mechanisms. With a certain assumption on the payoff of the lowest possible type, we provide a complete description of optimal robust mechanisms with any number of players and objects.

An Economic Analysis of the Progressivity of Income Taxes Using a Dynamic General Equilibrium Model, Pages 16–60

Byoung Hoon Seok, Hye Mi You

Abstract | PDF (2904 kilobytes)

This paper explores the effect of the progressivity of income taxes on the distribution of income and consumption across households as well as the aggregate output in Korea. Using Korean administrative data on income and tax by income percentile,we find that the post-2012 progressivity of Korean income taxes is double the pre-2012 progressivity. By building a dynamic general equilibrium model with heterogeneous agents, we quantify the long-run effect of the increased progressivity of income taxes on Korean economy. We find that the more progressive income taxes increase the government's tax revenue, while reducing the dispersion in income and consumption across individuals. However, the bottom decile of the income distribution is the only group that experiences a rise in consumption, while the consumption of all other income deciles is reduced. This is attributed to the large decline in the aggregate capital. Faced with the increased tax burden, high income earners reduce their savings, causing the aggregate capital and thereby output to decrease.

Redistribution and Optimal Monetary Policy, Pages 61–80

Daeha Cho, Kwang Hwan Kim

Abstract | PDF (1327 kilobytes)

This paper departs from the representative-agent assumption and investigates how optimal monetary policy should be conducted in a two-agent New Keynesian (TANK) model. Relative to a price stability motive that typically appears as policy prescriptions in representative-agent New Keynesian (RANK) models, heterogeneity adds a motive to spread aggregate fluctuations equally across all households. We show that the latter motive hinges on how fiscal transfers are implemented with the business cycle.


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