Final answer:
The implementation and monitoring stage is where a chosen decision is executed and its effectiveness is evaluated continually. It's a part of the decision-making process which utilizes tools like cost/benefit analysis and considers factors like transaction costs and software support.
Step-by-step explanation:
The stage of the decision-making process that involves making the chosen alternative work and continuing to monitor how well the solution is working is known as the implementation and monitoring stage. This critical phase comes after a decision has been made and requires practical action to execute the solution. The process also includes a periodic review to assess the efficacy of the decision and make necessary adjustments.
Practically, this could involve utilizing various tools such as cost/benefit analysis, understanding the transaction costs associated with decision-making, and considering the human-software interactions that assist employees in the decision-making processes.