Final answer:
Branding and advertising, product differentiation, and pricing strategy are marketing effort factors that can influence a business' market share.
Step-by-step explanation:
One marketing effort factor that can influence a business' market share is branding and advertising. By creating a strong brand name and investing in marketing efforts, a business can increase its visibility and attract more customers, thereby impacting its market share.
Another factor is product differentiation. Offering unique features or benefits that set a business' product apart from competitors can attract customers and lead to a larger market share.
Lastly, pricing strategy can also influence market share. Offering competitive prices or discounts can attract customers and help a business gain a larger share of the market.