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: Problem identification research is undertaken to:

A. Help identify problems that are not apparent on the surface and yet exist or may exist in the future

B. Develop clear, concise marketing segments

C. Help solve specific research problems

D. Establish a procedure for development of a primary research plan

Câu 2: Which among the following is not a noncomparative scaling technique?

A. Likert

B. Stapel

C. Semantic differential

D. Rank order

Câu 3: Số liệu dùng cho phân tích mô hình Kinh tế lượng là:

A. Số liệu chéo

B. Số liệu thời gian

C. Số liệu hỗn hợp

D. Số liệu của các biến kinh tế xã hội

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: The interval scale possesses all of the below properties, except:

A. Order

B. Distance

C. Origin

D. All of the above

Câu 6: 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