*2.3. Republic of Korea Real Estate Market Land Price Analysis Technology*

There is also a method of analyzing the real estate market through data quantification [12], but the analysis method introduced in this related paper aims to explain how to make the real estate market analysis desirable through eight factors. The first is to check the cycle of the real estate market. In the real estate market, government policies, domestic and international economic conditions, and demand and supply aspects have a greater impact on price fluctuations than other factors. Looking at the history of the real estate market in Korea, it has been repeatedly rising and falling. Analyzing the real estate market doing so, it would be desirable to understand when prices rise, and when to adjust and invest. Second, when a new government is in place, the Presidential Commission on Acquisition of Office has the task of setting a new policy stance. It is important to check whether the regulation of real estate policy will be strengthened or relaxed by checking the state roadmap. The third point is similar to the second. If the government continues to use the real estate market stimulus, the land price will naturally rise, such that, if the

government induces to buy it, one needs to buy it. Fourth, it is necessary to examine the past trends in the history of real estate, because the regulatory policy was strengthened and then relaxed from 1960 to the present. Fifth, since the real estate market policy regulation and stimulus are repeated in a pattern, it is necessary to invest conservatively during the regulatory period and aggressively during the stimulus period. The sixth point is to view investment as an active economic activity as a defensive measure to prevent the current assets from being thrown away. Considering the ever-increasing inflation rate, investment is necessary because the purchasing power of the product may become zero someday if you deposit assets in a bank without carrying out any investment. The seventh point is that value and price should not be viewed at the same time. If you do not make an investment which exceeds the inflation rate, you will lose money; thus, it is necessary to actively invest. Finally, if you are investing in the real estate market, it is better to stay still unless you know anything [13]. As mentioned earlier, there is a method of analyzing the real estate market by approaching it with data and expressing it by quantifying it, but empirical factors can also be an analysis and collection factor. The following Figure 1 shows the eight factors of the real estate market analysis technique. government induces to buy it, one needs to buy it. Fourth, it is necessary to examine the past trends in the history of real estate, because the regulatory policy was strengthened and then relaxed from 1960 to the present. Fifth, since the real estate market policy regulation and stimulus are repeated in a pattern, it is necessary to invest conservatively during the regulatory period and aggressively during the stimulus period. The sixth point is to view investment as an active economic activity as a defensive measure to prevent the current assets from being thrown away. Considering the ever-increasing inflation rate, investment is necessary because the purchasing power of the product may become zero someday if you deposit assets in a bank without carrying out any investment. The seventh point is that value and price should not be viewed at the same time. If you do not make an investment which exceeds the inflation rate, you will lose money; thus, it is necessary to actively invest. Finally, if you are investing in the real estate market, it is better to stay still unless you know anything [13]. As mentioned earlier, there is a method of analyzing the real estate market by approaching it with data and expressing it by quantifying it, but empirical factors can also be an analysis and collection factor. The following Figure 1 shows the eight factors of the real estate market analysis technique.

invest. Second, when a new government is in place, the Presidential Commission on Acquisition of Office has the task of setting a new policy stance. It is important to check whether the regulation of real estate policy will be strengthened or relaxed by checking the state roadmap. The third point is similar to the second. If the government continues to use the real estate market stimulus, the land price will naturally rise, such that, if the

*Symmetry* **2021**, *13*, x FOR PEER REVIEW 4 of 25

**Figure 1.** Real estate market analysis by eight kinds of techniques.

#### **Figure 1.** Real estate market analysis by eight kinds of techniques. *2.4. Real Estate Big Data: The Domestic Case*

#### *2.4. Real Estate Big Data: The Domestic Case*  2.4.1. Housing Supply Statistics Information System (HIS)

2.4.1. Housing Supply Statistics Information System (HIS) Housing supply statistics (HIS) produce various housing statistics—including national statistics—and builds a housing statistics system, collects statistical data, verifies it, processes and analyzes it, and utilizes it for the establishment of housing policies. Statistical data are used to analyze candidate sites for construction, business feasibility analysis, and sales strategies. In addition, it is very useful for the construction industry and real estate industry as well as general customers to understand the past and present construction industry through monthly housing statistics, such as permits, construction, comple-Housing supply statistics (HIS) produce various housing statistics—including national statistics—and builds a housing statistics system, collects statistical data, verifies it, processes and analyzes it, and utilizes it for the establishment of housing policies. Statistical data are used to analyze candidate sites for construction, business feasibility analysis, and sales strategies. In addition, it is very useful for the construction industry and real estate industry as well as general customers to understand the past and present construction industry through monthly housing statistics, such as permits, construction, completion, and sales.

#### tion, and sales. 2.4.2. Construction Administration System (Seum-Teo)

The building administration system is a system for computerizing and managing the application and processing of building permits—such as for building, housing, building registers, etc.—without visiting the government office. There is also information which is necessary for housing work, maintenance work, and construction-related business. It shows statistics such as building permits, construction starts, buildings, and house construction.
