[Solved] One of the areas where a very large increase in erotic and pornographic videos has occurred is the "amateur" video-home-made porn. Incentives Matter: The principle that motivations, whether financial or non-financial, significantly influence the behavior and decisions of individuals or entities. Personal Costs: Expenses that individuals incur in their daily lives or for personal activities. Economic Activity: The production, distribution, and consumption of goods and services in an economy. Benefits: Advantages or monetary assistance received from employment, government, or insurance.