Answer to Question 1
Public choice theory is an economic theory that the public officials who set economic policies and regulate the players act in their own self-interest, just as firms do.
Answer to Question 2
Free trade is controversial because it affects various groups in the economy in different ways. While both trading partners on the whole will gain from free trade, some individuals may lose. For example, opening up the economy to trade may allow consumers to buy goods at lower prices but could affect the wages and jobs of domestic workers.
Receptive Fields of Color-Sensitive Ganglion Cells
Nan Goldin, Vivienne in the green dress.
Color Minerals
Sound intensity log question
economic question (having trouble)
Cohesion–tension theory of water transport in vascular plants