Câu hỏi: Suppose that a researcher wanted to obtain an estimate of realised (“actual”) volatility. Which one of the following is likely to be the most accurate measure of volatility of stock returns for a particular day?

A. The price range (high minus low) on that day

B. The squared return on that day

C. The sum of the squares of hourly returns on that day

D. The squared return on the previous day

Câu 1: Executive summary should involve all of the following, except:

A. Why and how the research was carried out

B. What was done to manage fieldworkers

C. What was found

D. What can be interpreted and acted upon by the manager

Câu 2: Which of the following would represent the most appropriate definition for implied volatility?

A. It is the volatility of the underlying asset’s returns implied from the price of a traded option and an option pricing model

B. It is the volatility of the underlying asset’s returns implied from a statistical model such as GARCH

C. It is the volatility of an option price implied from a statistical model such as GARCH

D. It is the volatility of an option price implied from the underlying asset volatility

Câu 3: Which among the following is not a noncomparative scaling technique?

A. Likert

B. Stapel

C. Semantic differential

D. Rank order

Câu 4: What would typically be the shape of the news impact curve for a series that exactly followed a GARCH (1,1) process?

A. It would be asymmetric, with a steeper curve on the left than the right

B. It would be asymmetric, with a steeper curve on the right than the left

C. It would be symmetric about zero

D. It would be discontinuous about zero

Câu 5: Consider the testing of hypotheses concerning the cointegrating vector(s) under the Johansen approach. Which of the following statements is correct?

A. If the restriction is (are) rejected, the number of cointegrating vectors will rise

B. If the restriction(s) is (are) rejected, the number of eigenvalues will fall

C. Whether the restriction is supported by the data or not, the eigenvalues are likely to change at least slightly upon imposing the restriction(s)

D. All linear combinations of the cointegrating vectors are themselves cointegrating vectors

Câu 6: Phương pháp Kinh tế lượng gồm nhiều bước. Trình tự nào sau đây là đúng với phương pháp luận của kinh tế lượng?

A. Thu thập số liệu – Thiết lập mô hình – Ước lượng tham số

B. Thiết lập mô hình – Thu thập số liệu – Ước lượng tham số 

C. Thu thập số liệu – Phân tích kết quả - Ước lượng tham số 

D. Thu thập số liệu – Thiết lập mô hình – Phân tích kết quả