International Civil Engineering & Architecture Conference, Trabzon, Turkey, 17 - 20 April 2019, vol.1, pp.23-28
The construction industry is one of the leading sectors for the country’s economies. The housing sub-sector also has a significant share in the construction industry. Since construction projects are usually costly investments, the investment decision is seen as the most important phase of the project from the point of the contractor, and they also need to analyze macro and micro economic indicators, technological developments, etc. In this study, the factors affecting the investment decisions in the construction sector have been determined by Porter (1980) Five Forces Models. The determined factors were scaled and asked to investors, and the sector was analyzed. Data were evaluated by mean and percentage frequencies. Within the scope of the study, four of Porter (1980) Five Forces which are buyer’s power, supplier’s power, competitive rivalry and the threat of new entrants are included in the study. The only threat of substitution is excluded due to housings has not a substitution. In addition to Porter’s Five Forces, PEST (Political, Economic, Social and Technological) factors are included in the study. As a result of the study; buyer’s power, suppliers power, and PEST factors are influential on investment decisions. Important findings have been observed to guide investors.