Which of the following terms describes the process of buying and selling goods or currencies across international borders at a profit?
a. purchasing power parity
b. exchange
c. profiteering
d. arbitrage
d. arbitrage
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Among a set of alternatives with the same total costs, an individual is said to optimize if she chooses an alternative that has the:
A) highest total benefit. B) highest risk. C) lowest opportunity costs. D) highest net costs.
In a simple linear regression model, wage = 
+
data-mathml="%3Cmath%20style%3D%22font%2Dfamily%3A%27Times%20New%20Roman%2C%20serif%27%22%20xmlns%3D%22http%3A%2F%2Fwww%2Ew3%2Eorg%2F1998%2FMath%2FMathML%22%3E%3Cmstyle%20mathsize%3D%2215px%22%3E%3Cmsub%3E%3Cmi%3E%26%23946%3B%3C%2Fmi%3E%3Cmn%3E1%3C%2Fmn%3E%3C%2Fmsub%3E%3C%2Fmstyle%3E%3C%2Fmath%3E" src="@@PLUGINFILE@@/ppg__cognero__Ch_02_The_Simple_Regression_Model__media__1bf590d6-a2ba-4841-b79e-97ddde25877f.PNG" style="vertical-align: middle;" />male + u, where male is a binary variable (1 if a person is male, and 0 otherwise), is the difference in the average wage between males and non-males. Answer the following statement true (T) or false (F)
A perfectly competitive firm faces a market clearing price of $150 per unit. Average total costs are at the minimum value of $200 per unit at an output rate of 100 units. Average variable costs are at the minimum value of $100 per unit at an output rate
of 50 units. Marginal cost equals $150 per unit at an output rate of 75 units. It can be concluded that the short-run profit-maximizing output rate is A) 75 units, at which the firm earns zero economic profits per unit sold. B) 75 units, at which the firm earns negative economic profits per unit sold. C) 75 units, at which the firm earns positive economic profits per unit sold. D) 50 units, because price is less than average variable costs.
In a multiplayer game of chicken, there can be no Nash equilibrium
Indicate whether the statement is true or false