Help me! Một doanh nghiệp sản xuất giầy có 100 công nhân, sản xuất hai loại sản phẩm là giầy da và giầy thể thao. Năng suất của một công nhân trong ngày là 60 đôi giầy thể thao và 30 đôi giầy da.
a) Tính chi phí cơ hội sản xuất giầy da.
b) Vẽ đường PPF của doanh nghiệp trong ngày và viết phương trình của đường này.
c) Nếu trong một ngày nào đó doanh nghiệp có đơn hàng 4200 đôi giầy thể thao thì số giầy da tối đa mà doanh nghiệp có thể sản xuất được trong ngày đó là bao nhiêu?

Which of the following statements is not correct? 1) trade allows for specialization. 2) trade has the potential to benefit all nations. 3) trade allows nations to consume outside of their production possibilities curves. 4) absolute advantage is the driving force of specialization.

Alandlord rented an art studio to an artist. under the terms of the signed, written, two-year lease, the artist agreed to pay the landlord $1,000 per month and to assume responsibility for all necessary repairs. after the first year of the lease, the artist assigned the balance of his lease to a sculptor. the landlord approved the sculptor as a tenant and accepted two rent payments from her, and then the landlord sold the building to an investor. the sculptor had made two payments to the investor when an electrical fire broke out in the studio, injuring the sculptor. the fire was caused by faulty wiring. the landlord was aware that there was a dangerous wiring problem when he leased the property to the artist. but when the landlord discovered how costly repairs would be, he decided it would be more profitable to sell the property than to repair it. the problem was not easily discoverable by anyone other than an expert electrician, and the landlord did not tell the artist, the sculptor, or the investor about the problem. the sculptor sues to recover damages for her injuries. from whom can the sculptor recover?

In june 2009, at the trough of the great recession, the bureau of labor statistics announced that of all adult americans, 140,196,000 were employed, 14,729,000 were unemployed and 80,729,000 were not in the labor force. use this information to calculate: a. the adult population b. the labor force c. the labor-force participation rate d. the unemployment rate