Salesperson's Optimal Effort Level

A tenant is renting an apartment. The tenant's effort in maintaining the apartment (level of care) benefits both the tenant and the landlord. The table below shows the marginal costs and marginal benefits associated with each additional level of care. Based on this data, what level of care will the tenant choose to maximize their own net benefit?

An analyst is studying the price of a specific commodity from 2000 to 2020. They create two graphs using the same raw price data, but with different reference periods for the price index.

• Graph A uses the year 2000 as the base period (index = 100).
• Graph B uses the year 2010 as the base period (index = 100).

Visually, the entire plotted line in Graph B is positioned lower on the y-axis than the line in Graph A. What is the most accurate conclusion that can be drawn from this observation?

Beekeeper's Hive Decision

Beekeeper's Hive Decision

A freelance graphic designer is hired by a marketing agency to create a logo. The designer's effort in refining the logo (the level of care) adds value for the agency (a more effective logo) and also enhances the designer's own professional portfolio (a personal benefit). The designer alone bears the cost of the extra time spent on refinements. How will the designer determine their personal optimal level of care?

Factory Manager's Maintenance Decision

An agent, acting to maximize their own net benefit, will continue to increase their level of care as long as the total private benefit they receive from that care is greater than the total private cost they incur.

A freelance programmer is hired to develop an app. For each extra hour they spend refining the user interface beyond the basic requirements, they incur a personal cost of $50 (representing their time and effort). The client offers bonuses for specific refinements, which represent the programmer's private benefit. The first extra hour of work yields a $100 bonus. The second yields a $75 bonus. The third yields a $50 bonus, and the fourth yields a $30 bonus. To maximize their own net benefit, how many extra hours of refinement should the programmer undertake?

A research assistant's effort on a project benefits both the assistant (via a bonus) and their supervising professor (via academic prestige). The assistant alone bears the cost of their effort. The professor predicts the assistant will choose an effort level where the total value added to the project equals the assistant's personal cost of effort. Why is this prediction likely incorrect from the assistant's perspective?