Bài 1. Lập luận sau đúng hay sai giải thích: I. Nếu tốc độ tăng trưởng GDP bằng với tốc độ tăng của mức giá chung(%P) thì nền kinh tế tối ưu. 2. Một nền kinh tế đạt được trạng thái toán dụng lao động nghĩa là tỷ lệ Thất nghiệpgiảm xuống bằng không.
3. Chỉ số khử lạm phát (GDP deflator) là chỉ số được tính dựa vào giỏ hàng năm gốc, còn CPI là chỉ số dựa vào giỏ hàng năm hiện hành.
4. Trong ngắn hạn, Đường cong Phillips mô tả rằng Lạm phát và Thất nghiệp luôn có
sự đánh đổi trong ngắn hạn.

Sye chase started and operated a small family architectural firm in 2016. the firm was affected by two events: (1) chase provided $25,000 of services on account, and (2) he purchased $2,800 of supplies on account. there were $250 of supplies on hand as of december 31, 2016. record the two transactions in the accounts. record the required year-end adjusting entry to reflect the use of supplies and the required closing entries. post the entries in the t-accounts and prepare a post-closing trial balance.

Reliability and validity reliability and validity are two important considerations that must be made with any type of data collection. reliability refers to the ability to consistently produce a given result. in the context of psychological research, this would mean that any instruments or tools used to collect data do so in consistent, reproducible ways. unfortunately, being consistent in measurement does not necessarily mean that you have measured something correctly. to illustrate this concept, consider a kitchen scale that would be used to measure the weight of cereal that you eat in the morning. if the scale is not properly calibrated, it may consistently under- or overestimate the amount of cereal that’s being measured. while the scale is highly reliable in producing consistent results (e.g., the same amount of cereal poured onto the scale produces the same reading each time), those results are incorrect. this is where validity comes into play. validity refers to the extent to which a given instrument or tool accurately measures what it’s supposed to measure. while any valid measure is by necessity reliable, the reverse is not necessarily true. researchers strive to use instruments that are both highly reliable and valid.

Consider two similar industries, portal crane manufacturing (pcm) and forklift manufacturing (flm). the pcm industry has exactly three incumbents with annual sales of $800 million, $200 million and $100 million, respectively. the flm industry has also exactly three incumbents, with annual sales of $500 million, $450 million and $400 million, respectively. which industry is more likely to experience a higher level of rivalry?