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Haeil Jung(Haeil Jung),Ki Woong Cho(Ki Woong Cho),Kaifeng Yang(Kaifeng Yang),Sun Young Kim(Sun Young Kim),Yihong Liu(Yihong Liu) 한국학술연구원 2023 Korea Observer Vol.54 No.1
COVID-19 has spread quickly worldwide, presenting unprecedented challenges to countries all over the globe. To understand how different countries have responded to COVID-19 during the early stage of the outbreak, we develop a comprehensive research framework drawing on the literature on wicked problems. Specifically, we comparatively investigate the government responses of the United States, China, and South Korea and examine why and how these countries have adopted and implemented various strategies authoritative, collaborative, and competitive — —depending on their policy environment. Although scholars have argued that collaborative strategies are the preferred approach to dealing with wicked problems, it is found that the most applicable, implementable, and effective strategies vary according to the country's cultural, economic, and political contexts. In addition, the urgency and timing of the crisis may affect the choice of appropriate strategies. Our findings can provide lessons for public administration and policy to cope with other wicked problems.
Prison Work-Release Programs and Incarcerated Women`s Labor Market Outcomes
( Haeil Jung ),( Robert Lalonde ) 한국정책학회 2016 한국정책학회 추계학술발표논문집 Vol.2016 No.-
This paper examines whether the work-release program (called Adult Transition Centers) from Illinois prisons increases women`s earnings and employment. Given that a majority of women assigned to the program do not parole successfully from the ATC, but are forced to return to prison before being released, we study separately ATC parolees and ATC dropouts. Using a large matched administrative data base, we find that loger time in an ATC increases the total earnings and the probability of being employed during the time in an ATC, for both ATC parolees and dropouts. Furthermore, ATC parolees had large and statistically significant increases on their earnings and employment rates, during the two years after incarceration. However, ATC dropouts had little improvement in their post-incarceration earnings or employment rates. We discuss human capital accumulation and selection in an ATC.
Jung, Haeil,Malatesta, Deanna,LaLonde, Robert J. Wiley Subscription Services, Inc. 2018 PUBLIC ADMINISTRATION REVIEW Vol.78 No.4
<P><B>Abstract</B></P><P><I>This article compares labor market outcomes from two different approaches to a work release program in Illinois: direct provision by a government and a purchase‐of‐service (POS) contract between government and a public charity. Significantly better employment and earnings outcomes were associated with the POS contract. To better understand the reasons for the success of the POS contract, the authors further examined the specific terms of the contract, organizational expertise, and the political context of POS contracts. The results are organized according to the main theoretical assertions. Findings add to the weight of evidence that contractors, like public charities, can be valuable government partners for addressing challenging social policies and programs</I>.</P>
On the Use of Simulated "Experimental" Data for Evaluation of Modal Analysis Methods
정해일(Haeil Jung) 한국자동차공학회 1992 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1992 No.11
The purpose of this paper is to investigate the effect of measurement errors. such as the mass loading effects or transducers. shaker/structure interaction, sign3l conditioning errors. signal processing .errors. etc. - on measurements of frequency response functions(FRFs) and on the modal parameters extracted from the FRFs. A computer program has been developed which can be used to simulate various measurement errors. The "experimental"' FRFs calculated using this simulation program can be used to test realistically the performance of different modal parameter identification programs and. thus. of the various applications to winch these modal data are put. including model updating.