Presentation about business management!!

How do patents and copyrights encourage innovation? they limit the number of inventions an individual may patent or copyright, so more people can invent things. they prevent inventors and other creative people from making huge profits, thus keeping prices low for consumers. they grant companies the right to copy the inventions and creative works of individuals at little or no cost. they give inventors and writers exclusive rights to make and sell their inventions and works, possibly making large profits?

Suppose an economy has only two sectors: goods and services. each year, goods sells 80% of its outputs to services and keeps the rest, while services sells 62% of its output to goods and retains the rest. find equilibrium prices for the annual outputs of the goods and services sectors that make each sector's income match its expenditures.

With signals from no-claim bonuses and deductibles, a. the marginal cost curve for careful drivers lies to the left of the marginal cost curve for aggressive drivers b. auto insurance companies insure more aggressive drivers than careful drivers because aggressive drivers have a greater need for the insurance c. the market for car insurance has a separating equilibrium, and the market is efficient d. most drivers pay higher premiums than if the market had no signals