The study looked at how investment decisions, funding choices, and company sizes affect corporate values in construction and building companies that sell stocks on the stock exchange from 2014 to 2018. They found that company size and investment decisions don't significantly impact business risk, funding decisions positively affect business risk, investment decisions correlate positively with corporate value, funding decisions negatively and significantly affect corporate value, company size significantly affects corporate value, business risk doesn't significantly affect corporate value, and business risk mediates the impact of investment decisions and company size on corporate value. Business risk doesn't mediate the impact of funding decisions on corporate value.