Students must take a 60 minute yoga class outside of QCC and write a 400-500 word essay about their experience. ***Students will now be allowed to take an online class instead of an in person class***
The essay is about your experienceIt can be about how the class impacted your mood, posture, or perspective
It can also be about a specific posture, or two, that you liked, didnt like, or didnt understand
Another topic could be on the specific style of the class and how that style worked or didnt work for you
Give the how and the why. How did something make you feel, and why did you feel that way.
This essay is NOT a research paper, so there is no need to search online or in books for information. If you feel it is important and necessary to quote a source, please do it properly. If you quote something without citation it is considered plagiarism and academic dishonesty.  
Instructions are listed.

QUESTION THREE

a) A researcher is trying to model the level of UK personal consumption expenditure i.e. the total amount spent by households on goods and services for consumption. Using quarterly data from quarter 1 1997 to quarter 4 2019, the following regression model is estimated (with t-ratios given below in parentheses):

where Ct is UK personal consumption expenditure in millions of £s, time is a linear trend variable, Q2t is a dummy variable that equals 1 in the second quarter of each year and zero otherwise, Q3t is a dummy variable that equals 1 in the third quarter of each year and zero otherwise and Q4t is a dummy variable that equals 1 in the fourth quarter of each year and zero otherwise.

i) Interpret and discuss the estimated values of the regression coefficients on the dummy variables Q2, Q3 and Q4.
(10 marks)

ii) Using the t-ratios given above, determine whether there is evidence of significant seasonality in UK personal consumption expenditure. Clearly explain how you reach your conclusion.
(10 marks)

iii) Using two separate equations, write the estimated regression model that applies in the second quarter of each year and the regression model that applies in the third quarter of each year.
(10 marks)

b) Define and briefly explain the concept of a ‘structural break’. Explain how you could test for the existence of a structural break in personal consumption expenditure after the financial crisis of 2008. When answering the question, clearly write out the regression model that you would use (you may ignore the seasonal effects discussed above to keep things simple) and clearly define the dummy variables that are used in the model.
(20 marks)

Sample Solution

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