Which of the following does not explain why wages are different between people?

A monopolist faces the demand curve illustrated below. Suppose the marginal cost (MC) and average variable cost (AVC) both equal 3 for all quantity levels, MC = AVC = 3.

At this income and prices, the optimal consumption bundle for Pavarati is

A new kind of consumption good, the “smidget” is invented in Econland. Suppose the impact of the invention on the widget market is that the quantity Qwidget decreases while the price Pwidget remains unchanged. A possible explanation for why this happened is that widgets and smidgets are _____ and the supply curve for widgets is _____. (Fill in the blanks.)  

The equilibrium consumer price PD under the $6 tax is 

Consider the following statements about the income elasticity of demand. For inferior goods, income elasticity is positive. For necessity goods, income elasticity is between zero and one. When income elasticity for a good is less than one, the share of income spent on the good is higher with higher income. Which of the above statements about income elasticity are true?

Continuing with the previous question, after demand shifts to D2, in the short-run, the profit of each firm will be

An object at rest has no _________ energy, but it may have _________  energy from its location or structure.

The Cold War was largely brought to an end due to an agreement by powers to slowly stop making nuclear weapons and build trust a little at a time. This is an example of…

Marie is 18 months old. At this age, which emotion is Marie least likely to experience?