Consider the perfectly competitive market for tennis balls shown in the figure below. How much profit do tennis ball producers make? tennis ball market 2.png

“Dark patterns” in software design are processes in apps and websites that make it difficult to unsubscribe to a subscription service. An example is a site that lets you subscribe with a single click online, but forces you to call a customer service number and be put on hold, then be subject to a marketing pitch and other stalling questions, in order to unsubscribe. Dark patterns are a form of price discrimination. Which group below will be charged the higher effective price by dark patterns?

Suppose the country of Kansarado imposes a $4 tariff on every unit of aluminum imported from the world market. The graph of the domestic supply and demand, and the world market, is below.  How much revenue is raised by the tariff? Tariff 3.png

Some razors, like Gillette’s Fusion and Venus razors, have disposable heads. The razor comes with an initial pack with a razor handle plus three or four heads; after that, you need to buy refills separately. Where do you think Gillette gets more revenue: By selling the initial pack or by selling the refills?

The safety you enjoy as a result of having a security system represents which of the following type of cost or benefit?

Which is not a key term used in the dynamic pattern theory of motor control?

Which is true concerning the “degrees of freedom” problem?

Which area of the brain enables the transitioning between movements for a skill that involves sequential movement?

A good example of a “self-organizing system” is a

Research that has compared the use of visual and auditory models when the skill to be learned involved moving at a criterion speed has shown that the