Questions

Making Optimal decisions at the margin requires "Weighing the costs and benefits of a decision before deciding if it should be pursued".

Congress shall make no law respecting an establishment of religion, or prohibiting the free exercise thereof; or abridging the freedom of speech, or of the press; or the right of the people peaceably to assemble, and to petition the Government for a redress of grievances.

In economics, If two goods are complements, then the cross elasticity of demand is negative. That means a good's demand is increased when the price of another good is decreased. Conversely, the demand for a good is decreased when the price of another good is increased. It is opposite of substitute goods.