Njal had been working as a chainsaw operator for the past 15 years when his company decided to upgrade its equipment from chainsaws to timber harvesters, which are large pieces of equipment that require a new set of skills. The company was unwilling to train existing workers on the new equipment, so Njal needed to find :

Which of the following statements accurately describes how costs and benefits are calculated?

Match each of the terms below with an example that fits the term. a. fungibility the production of gasoline b. inelasticity the switch from coffee to tea c. non-excludability the provision of national defense d. substitution the demand for cigarettes

Brian has just finished college. he wants to set up a small business to make and sell fireworks. he registers his company and acquires a license from the government. he finds that most of his competitors are selling fireworks at an extremely low price. he would like to make more money, so he decides to innovate and develop better fireworks. he sells his fireworks at a higher price, and they are a huge hit with the customers. after a few years, he earns enough profit to set up a bigger fireworks factory that complies with the government’s health and safety regulations. he even starts exporting fireworks overseas. which type of economy does this scenario describe?