Author(s): Marut Kludcharoen, Nattaya Prapaipanich, Peera Tangtammaruk
The purpose of this research was to study the factors influencing the choice of accommodation among the non-registered population on condominium type residences in the Bangkok area using primary data from the survey research collected from March 2021 to June 2021, with the application of the Stated Preference (SP) and Revealed Preference (RP) methods. The results of a study of factors influencing the purchase of condominiums of the non-registered population by stated preference (SP) methodology found that in simulated scenarios under the conditions of living space size restrictions, in case of purchasing condominiums near sky train stations, factors with a statistically significant level of 0.01 were price_condo and income had a positive influence. On the likelihood of purchasing a condominium along the mass transit lines, time_travel and exp_travel had a negative influence on the probability of purchasing a condominium along the mass transit lines. Under budget constraint for buying condominiums near BTS stations, factors with a statistically significant level of 0.01 were dist_mall had a negative influence on the probability of purchasing condominiums along the mass transit lines, while factors affecting statistically significant level at 0.05 were room_size and bedrooms has a positive influence on the probability of purchasing condominiums along the mass transit lines. In the Revealed Preference Methodology Study (RP), factors that influence the decision to purchase condominium housing at a statistically significant level of 0.01 are individuals with a bachelor's and postgraduate degrees (edu), positively influencing the probability of deciding to purchase a condominium compared to undergraduately educated individuals, and the duration of travel by private car to work (time_cars) positively influences the probability of deciding to buy a condominium. Statistically significant level of 0.05 include females having a negative influence on the probability of deciding to buy a condominium compared to males, individuals whose occupations work in limited companies and general hire occupations (occup), negatively influence the probability of deciding to buy a condominium compared to a person who has a career in government, monthly income (inc), positive influence on the probability of deciding to buy a condominium, and the number of personal hire cars (freq_taxi), negatively influence the probability of deciding to buy a condominium. Factors with a statistical significance level of 0.10 include the number of household members (hh_menbers), the cost of using a private hire car (exp_taxi), the size of residence (house_size), and the distance from residence to shopping mall (dist_mall), positively influencing the probability of deciding to buy a condominium, while the housing price per square meter (price_sqm) negatively influences the probability of deciding to buy a condominium. From the analysis of the results, the Stated Preference (SP) and the Revealed Preference (RP) study revealed that the factors of accommodation price, travel time, travel expenses, monthly income, residential size, and distance from residence to shopping mall resulted in negatively effect of choosing to buy condominium. It was concluded that the results of both SP and RP were consistent in the study of factors affecting on the decision-making. Choosing to buy condominium type residences where the SP study results have shown can be put to practical use. As for making policy recommendation to the government sector and real estate operator.