only a monopolistically competitive firm operates at its efficient scale. both a perfectly competitive firm and a monopolistically competitive firm operate at their efficient scale of production. neither a competitive firm nor a monopolistically competitive firm charges a markup over marginal cost. only a perfectly competitive firm operates at its efficient scale.

Suppose that a worker in caninia can produce either 2 blankets or 8 meals per day, and a worker in felinia can produce either 5 blankets or 1 meal per day. each nation has 10 workers. for many years, the two countries traded, each completely specializing according to their respective comparative advantages. now war has broken out between them and all trade has stopped. without trade, caninia produces and consumes 10 blankets and 40 meals per day and felinia produces and consumes 25 blankets and 5 meals per day. the war has caused the combined daily output of the two countries to decline by

Down under products, ltd., of australia has budgeted sales of its popular boomerang for the next four months as follows: unit salesapril 74,000may 85,000june 114,000july 92,000the company is now in the process of preparing a production budget for the second quarter. past experience has shown that end-of-month inventory levels must equal 10% of the following month’s unit sales. the inventory at the end of march was 7,400 units.required: prepare a production budget by month and in total, for the second quarter.

Which of the following businesses is most likely to disrupt an existing industry? a. closer connex developed an earphone that receives emails and text messages and converts them to voice messages. the first models had poor reception, but they rapidly improved over time. b. mega technologies reconfigured the components used in its touchscreen tablets to create a new type of wearable device for use in restaurants and other service industries. c. particle inc. developed a teleportation technology that can transport physical materials instantaneously across great distances. d. altrea added advanced camera technology to its premium line of smartphones so that they would take the highest-quality photos of all phones on the market.