If a series, yt, follows a random walk (with no drift), what is the optimal 1-step ahead forecast for y?

Cho hàm hồi quy mẫu với hệ số xác định R2 =0,98699, TSS=10286,7025

Cho mô hình hồi quy:

Giá trị của biến giả là:

Quy trình thực hiện kinh tế lượng có mấy bước

What is the relationship, if any, between t-distributed and F-distributed random variables?

What result is proved by the Gauss-Markov theorem?

Suppose that we wanted to sum the 2007 returns on ten shares to calculate the return on a portfolio over that year. What method of calculating the individual stock returns would enable us to do this?

Under the five extended least squares assumptions, the homoskedasticity-only tdistribution in this chapter:

Ý nghĩa của Decimal trong phần mềm SPSS là:

The type I error associated with testing a hypothesis is equal to:

Which among the following is not a noncomparative scaling technique?

Khi mô hình có Phương sai sai số thay đổi thì:

Biến phụ thuộc còn được gọi là:

Biểu đồ phân tán là:

Kỹ thuật phân tích hồi quy là:

Which one of the following is NOT an assumption of the classical linear regression model?

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

Two researchers have identical models, data, coefficients and standard error estimates. They test the same hypothesis using a two-sided alternative, but researcher 1 uses a 5% size of test while researcher 2 uses a 10% test. Which one of the following statements is correct?

Mô hình hồi quy 3 biến là dạng:

Which among the following is not comparative scaling technique?