Final answer:
The fear of negative publicity is a key factor causing businesses to vigorously enforce ethical standards.
Step-by-step explanation:
Vigorous enforcement of ethical standards in businesses is often driven by the fear of negative publicity.
When businesses engage in unethical behavior, it can damage their reputation and lead to public backlash. Negative publicity can result in a loss of customers, investors, and business opportunities.
By upholding ethical standards, businesses can avoid the potential harm caused by negative publicity and maintain a positive brand image.