Influence of uncertain business environment on entrepreneurship decision making is theoretical in nature. The paper pose that the business environment is full of challenges, these challenges are referred to as business variables, these variables are divided into two: controllable variables and uncontrollable variables, an entrepreneur must try in as much as possible to diagnose this uncertain business environment before investing the scarce resources. The paper has the following objectives: To determine the impact of environment on business decision, to evaluate the risk associated to investment opportunity and to examine the factors that can hindered the prospects of business in an environment. These factors could be technology, economic...