Final answer:
The most significant factor impacting the current nursing shortage is the increase in employment options for women. This dynamic shifts the supply curve of nurses, leads to higher wages, yet results in an uncertain equilibrium quantity of nurses due to complex factors such as retirement and education costs. These issues overshadow other potential influences on the nursing workforce.
Step-by-step explanation:
The factor that has had the greatest impact on the current nursing shortage is likely D) More employment options for women. As more sectors open up and offer opportunities to women, the healthcare industry faces competition for female labor. The increase in demand for nurses leads to higher wages, but as current nurses retire and the cost of nursing education increases, the supply of nurses decreases. This results in a leftward shift in the supply curve, which according to the aforementioned Figure 4.11, leads to higher salaries for nurses at Pe₂. However, due to the complexities of employment trends and economic factors, the net effect on the equilibrium quantity of nurses remains uncertain.
Social trends, such as the later age of women having children and more comprehensive consideration of global issues like climate change, impact birth rates and the perceived stability of bringing children into the world. Nonetheless, these do not directly lead to a nursing shortage. Instead, the shortage is influenced more by labor trends, such as employment options available to women, which have expanded beyond traditional roles and contribute significantly to the demographics of the nursing profession.