Which of the following is an example of an activity that creates a positive externality?

a. an iron smelting factory emits sulfur dioxide into the air

b. the owner of a steamboat company dredges a river in order to improve navigation

c. a group of investors starts a business specializing in transporting goods via clipper ship

d. flatboat operators purchase steamboat tickets in order to return to their homes upstream

Which of the following statements regarding the learning curve and economies of scale is accurate? answers: just as diseconomies of scale are presumed to exist if a firm gets too large, there is a corresponding increase in costs in the learning-curve model as the cumulative volume of production grows.where diseconomies of scale are presumed to exist if a firm gets too large, there is no corresponding increase in costs in the learning-curve model as the cumulative volume of production grows.where diseconomies of scale are presumed to exist if a firm gets too small, there is no corresponding increase in costs in the learning-curve model as the cumulative volume of production grows.just as diseconomies of scale are presumed to exist if a firm gets too small, there is a corresponding increase in costs in the learning-curve model as the cumulative volume of production grows.

Match the vocabulary word to the correct definition. 1. human resources department 2. job description 3. ethics 4. labor relations 5. occupational safety & health administration a. a detailed list of the functions and requirements for a position b. the exchange between the employer and employee c. principles that define appropriate conduct d. the government agency responsible for monitoring safety in the workplace e. the division of a business responsible for hiring, managing,maintaining, and firing the workforce

Acompany using the perpetual inventory system purchased inventory worth $540,000 on account with credit terms of 2/15, n/45. defective inventory of $40,000 was returned 2 days later, and the accounts were appropriately adjusted. if the company paid the invoice 20 days later, the journal entry to record the payment would be