Jerome has a beautifully landscaped front lawn with lots of colorful flowers. Landscaped lawns produce a externality. landscaped lawns exist relative to the socially efficient quantity. b. Dave takes advantage of the low price of gas to purchase a sports utility vehicle. Sports utility vehicles generate a externality. sports utility vehicles are produced relative to the socially efficient quantity. c. Susan decides to walk to work instead of driving. Walking to work creates a externality. walks to work exist relative to the socially efficient quantity. d. Anita decides to smoke a cigarette while she is waiting at a busy bus stop. Cigarettes create a externality. cigarettes are produced relative to the socially efficient quantity.

Asmall town wants to build some new recreational facilities. the proposed facilities include a swimming pool, recreation center, basketball court and baseball field. the town council wants to provide the facilities which will be used by the most people, but they face budget and land limitations. the town has $400,000 and 14 acres of land. the pool requires locker facilities which would be in the recreation center, so if the swimming pool is built the recreation center must also be built. also, the council has only enough flat land to build the basketball court or the baseball field. the daily usage and cost of the facilities (in $1,000) are shown below. which facilities should they build? facilityusagecost ($1,000)landswimming pool4001002recreation center5002003basketball court3001504baseball field2001005