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This study analyzed the relationships among the housing markets of Busan, Changwon, and Gimhae. To achieve this, we examined the housing market business cycles in each region to identify similarities among the three. The correlations between housing prices were analyzed using the VAR model. As a result of the analysis, housing prices in Busan, Changwon, and Gimhae showed synchronism. Impulse response analysis revealed that an increase in housing prices in Busan led to a rise in housing prices in Gimhae and Changwon, and an increase in housing prices in Gimhae also resulted in a rise in housing prices in Busan and Changwon. An increase in housing prices in Changwon led to a short-term rise in Gimhae’s housing prices and had an insignificant impact on Busan. Given the close interrelation among the housing markets of these three regions, it is essential to closely examine the markets with high correlation to develop more stable regional housing policies.

In this study, we examined factors determining residential environment satisfaction among older adults living alone. We classified older adults into three age-based groups to pinpoint which neighborhood characteristics influenced their satisfaction levels. For the early-age group (65-74 years), access to healthcare facilities significantly enhanced satisfaction with their residential environment. For those in the mid-age (75-84 years) and late-age (85 years and older) groups, the availability of public transportation had a positive effect on satisfaction. For the late-age group, security and crime prevention improved satisfaction levels significantly. Based on these findings, we offer policy recommendations to facilitate aging in place for older adults living alone.

Small and medium-sized cities facing the threat of rural decline are attempting to attract residents to revitalize their local economies. However, there has been a lack of objective evidence regarding whether an increase in the resident population actually positively impacts the local economy. In this study, we analyzed the actual impact of both de facto and transient populations on the local economy, utilizing statistical analysis methods and telecommunication big data. Our main findings are as follows: First, both the de facto population and the transient population positively impact the revitalization of the local economy. Second, the economic status of local governments is the main factor affecting total sales. Third, the presence of cultural facilities that can attract visitors has a positive impact on the revitalization of the local economy. Fourth, the proximity to a large city has a positive effect on the revitalization of the local economy. This study's significance lies in its objective proof that de facto population can have a positive effect on all local governments experiencing population decline.

The object of this analysis was to analyze the spatial relation between one-person households and small-housing supplies in the Seoul Metropolitan City area. By analyzing the spatial relationship between one-person households and small housing supply, it is supported to promote a housing supply policy that meets the demand of one-person households. The analysis methods are spatial autocorrelation analysis and nearest neighbor analysis. The Global Moran's I index could not identify any statistically significant autocorrelation in the year 2000, but it verified its existence in the year 2021. A hot-spot and cold-spot analysis identified the spatial concentration patterns for both one-person households and small housings. It was confirmed that one-person households and small-housing supplies were concentrated in a specific area. The one-person households are flocking to areas with a high concentration of small-housing supplies with convenient transportation to the city center. The nearest neighbor analysis of the hot-spot administrative districts(dongs) also reveals that, apart from the year 2010 compared to the year 2000 for one-person households, but from the year 2021 compared to the year 2010 for one-person households and both the hot-spot administrative districts(dongs) of small-housing supplies form clusters that are statistically significant. Although there were no statistically significant differences, a spatial concentration was observed between one-person households and small-housing supplies, as the mean shortest distance in the hot-spot administrative districts(dongs) in the year 2021 compared to the year 2010 is lower than that in the year 2010 compared to the year 2000. Collectively, there exists a spatial autocorrelation between one-person households and small-housing supplies, meaning they tend to be clustered together in specific areas. Based on these results, high-quality small-housing supplies should be provided to areas where oneperson households are expected to be concentrated. In addition, it is necessary to improve the quality of life of one-person households by improving the residential environment of small-housing supplies.

The purpose of this study is to present implications related to the small and medium-sized building market by deriving important factors influencing the investment decision of small and medium-sized buildings in the three districts in Gangnam. To this end, this study conducts a comparative study on investment determinants targeting the group of investment experienced and investment hopefuls, and the following research results are derived. First, profitability is derived as the most important factor in the group of investment experienced people, and regional characteristics are derived as the most important factor in the group of investment hopefuls. Second, accessibility is of high importance in the group of investment experienced people, but low importance in the group of investment hopefuls. Third, the cost characteristics are rejected in the group of investment experienced people, but the operation characteristics are rejected in the group of investment hopefuls.

Tactical Urbanism is the specialization of place values that utilize idle space and quickly experience policy effects under the premise of a limited use period. Sinchon Box Square is a representative example of tactical urbanism, which has been operated for six years as an urban regeneration technique applied to a declining commercial area, and can identify the change process of commercial space and urban regeneration effect factors in the cycle and temporal flow of commercial areas. In order to analyze the urban regeneration effects of tactical urbanism introduced to Sinchon Shopping District, a declining university commercial district, this study conducted an empirical analysis using a survey and exploratory factor analysis to determine which attributes of perceived factors positively contributed to the policy effects of the Sinchon Urban Regeneration Project. As a result of the factor analysis, the characteristics of tactical urbanism were converged into six factors, which are fashionability, local context, realization of social needs, spatial attractiveness, change flexibility, and environmental changeability, respectively, and the analysis confirmed that they have a statistically significant positive effect on satisfaction. This study proved the research hypothesis that tactical urbanism as a means of urban regeneration affects visit satisfaction and policy effectiveness, and these findings suggest that tactical urbanism is effective as an alternative policy direction as a new urban regeneration method. It is hoped that this study will serve as a starting point for more detailed and diverse empirical research on Tactical Urbanism and urban regeneration projects in the future.