No abstract

This study aimed to summarize previous research on local financial investment reviews and the project evaluation method for rational investment decisions related appraising local financial investment projects. Measures were developed to quantify qualitative reviews, and new indicators were created. Lastly, academic and practical implications were considered, and a new evaluation system and sub-system for divisional investment projects were proposed based on these considerations. The results include a score table for each grade, with perfect scores set at 10 points for each element. A proposal for a new division was also made based on the classification of basic, intermediate, and optional investment projects. Taking the current division system into account, the proposal suggested the basic investment division, the intermediate investment first division, the intermediate investment second division, and the optional investment division. With this study, it is expected that investment screening can be conducted from a more objective and consistent standpoint, because it provides basic data for solving problems related to subjective screening standards, which have been seen as problematic.

In Korea, the demand for new housing services is increasing due to changes in the demographic structure, but in terms of activation, affordable and universal housing services are lacking. Therefore, in this study, the necessity of revitalizing the AI smart housing market was confirmed in terms of housing service activation, and through AI smart market analysis, various market participants tried to analyze the market access patterns in two factors: price and function. In addition, it was intended to present a commercialization model including price, target market, and service provided for the activation of AI smart housing. As a result of the study, although there is a difference in the level of functions, various industries in the front and rear are forming the market in terms of the implementation of AI smart housing. As a result of quantifying the functions of 16 similar/competitive markets and alternative markets based on a total of 11 functional levels, it was found that the lowest two functional levels had a maximum functional level of 7.5. In the case of AI smart housing service and platform, it was analyzed that a functional level of about 6.5-8 would be implemented. In the case of the price range, it was found that the distribution method of subscription was determined in the range of 0.11 to 6.49 million won/month. In the case of distribution by purchase, simple products start at about 20 million won, but when implemented with smart home appliances, the price is formed up to about 20 million won. Finally, seven types of commercialization models were established by comprehensively summarizing the target market and characteristics of the target market, price level, platform function, and core customer value (service). It was classified into entry-level, entry-level youth, entry-level elderly, high-end type, 1-2-person household type, high-end type, 3-4-person household type or more, high-end senior type, and high-end type. In the case of the entry-level type, it can be considered for application in terms of housing welfare, which has recently been attracting attention.

This study aimed to measure the work of the smart city creation project, which is currently being supplied mainly to the public, in terms of currency. This is because public-centered projects have public interest value in addition to the value according to the actual cash flow, so there is a need to convert it into monetary value and estimate it. Among them, this study measured the amount of money value actually felt by residents in the smart city creation project by limiting the budget group to the spatial scope of the small and medium-sized city smart city creation project currently being carried out by the Ministry of Land, Infrastructure and Transport. For analysis, the survey was conducted twice, and it was conducted based on the sampling allocation method by reflecting demographic characteristics. In addition, in order to derive various implications, a survey was conducted in three forms: cost allocation from currently paid taxes, additional tax expenditures, and donations. As a result of the analysis, it was possible to derive about 3.4 billion won for cost allocation from tax, 1.7 billion won for additional tax expenditure, and about 700 million won for donations. Through this, it was possible to confirm how effective the improvement of residents' expectations and quality of life for the small and medium-sized city smart city creation project is through actual costs, not simple satisfaction.

A comparative petrological study was conducted on the columnar joints of Guryongpo, Pohang, Yangnam, Gyeongju, and Gangdong-hwaam, Ulsan in the Cenozoic Miocene sedimentary basin. Horizontal columnar joints, in these columnar joints, are characteristically developed, and the cross-sectional shape of each columnar joint is predominantly quadrilateral and pentagonal in Guryongpo and Yangnam columnar joints, and pentagonal to hexagonal in Gangdong-hwaam columnar joint. As a result of XRF analysis, it was confirmed that Guryongpo columnar joint is andesite, Yangnam columnar joint is basalt, and Gangdong-hwaam columnar joint is basaltic andesite, all of which are sub-alkaline. They are easily distinguished because Guryongpo columnar joint contains small-sized plagioclase (1∼2 mm), while rather large plagioclase phenocrysts (several mm∼1 cm) are uniformly distributed both in Yangnam and Gangdong-hwaam columnar joints. The value of whole rock magnetic susceptibility (WRMS) are also well classified according to the rock composition. In addition, in the tectonic discriminant diagram, these columnar joints correspond to the orogeny zone and island-arc tholeiite regions of the orogeny, but the AFM diagram and WRMS analysis show that each columnar joint was formed from the different magmas.