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Epsom Case

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The reason for that I could make a call that there is a difference in the prices of houses sold via auction and non-auction for both suburbs while could not do so for them separately may be because that as mentioned before, Epsom has a considerably higher median price than One Tree Hill[8], while in Epsom auction is a more favoured method. The fact causes that in the random sample most of the houses sold via auction are in Epsom and most houses sold via non-auction are in One Tree Hill. With Epsom’s generally higher sale price compared with One Tree Hill, there appears to be a difference between house price via auction and non-auction but the difference may actually be greatly affected by the difference of prices of the two suburbs. However …show more content…

In fact, the coefficient for sale price in non-auction is 1.3110, which is greater than auction’s 1.2788. This indicates that for houses with higher CVs non-auction might actually be more profitable. However for houses with lower CVs e.g. around $600,000 auction is slightly more profitable because of the constant of +$44,184. According to the right skewed shape of box & whisker indicating that most houses sold have lower prices (and thus lower CVs), I expect that auction did provide more profit for some of the house sales. However, as the difference is not very significant (e.g. for a house with CV at $800,000 the difference in sale price via different selling methods is only $40,000) I am able to say that the reason for myself being able to make the call that auctioned houses in Epsom and One Tree Hill are more expensive than those sold via non-auction but fail to do so for either suburb separately is because 1) There appears to be a tendency of selling houses via auction in Epsom while there is no such tendency in One Tree Hill 2) Epsom houses are generally more expensive than the One Tree Hill ones 3) Epsom usually has a greater sale volume; but is not mainly due to that auction is more profitable than non-auction. I also notice that the r value of auctioned house price above is less than that of non-auction, which indicates a weaker relationship-this is consistent with my assumption of …show more content…

First of all, the finding cannot be related back to all Auckland houses-it cannot even be related back to either Epsom or One Tree Hill, as sellers in the two suburbs appears to have different preference in selling methods and the two suburbs have considerably different median house prices mainly due to the difference of surrounding economy and education resource. I expect every suburb to have different median prices and selling preferences according to the different level of demand, thus when investigating sale price by selling method in a population containing two suburbs the result can be hard to relate back to either suburb because the suburbs in fact have very different backgrounds and in a mixed sample they affect each other

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