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1. Describe the differences between operational databases and dimensional databases.
2. What is a star schema?
3. What is a fact table? What type of data are stored in fact tables?
4. What is a measure?
find the following values for a single cash flowa the future value of 500 invested at 8 percent for one yearb the
Although all appliances are given a unique serial number when manufactured, until this year Armonco had no capability of determining how often any appliance was brought to an authorized service facility.
At the time these betas were developed, reasonable estimates for the risk-free rate, RF, and required rate of return on the market, R(RM), were 6.5 percent and 13.5 percent, respectively.
Add dummy variables to the last four observations and hence obtain the prediction errors for these years, given a regression based on the first 32 observations. Subtract these from the actual outcomes to obtain the forecasts. Derive a confidence i..
The following utility function represents the preferences of agent i over two goods x1 and x2: ui(x1,x2) = 3√x1 + x2 a)Solve the optimal choice problem for agent i if p1 = p2 = 1; and I=15
What percentage of the value assessment do you feel a kitchen or bathroom condition should contribute towards the final value estimate?
At the same time, a number of less capable fringe firms are emerging. How do these features fit into an Industrial Organization (IO) view of the market versus a Resource-Based View (RBV)?
The year is 2020 and the U.S. airline industry has been radically transformed through a recent wave of mergers. Only one company, MONO Airlines, has managed to survive the succession of price wars, labor-management disputes, and government policy.
Air-pollution-control authorities in southern California propose to control mobile-source emissions by requiring that a certain percentage of all new cars sold in the region be electric
Assume a model with a Keynesian aggregate demand curve and an ordinary upward-sloping aggregate supply curve. Using this model, please show the effects of the following events. Describe what happens to the price level and real GDP.
Draw in the resulting equilibria or tangencies and join up all of these points. You have just constructed a price-consumption curve for good X. Can you understand why the curve is so called?
It has been hypothesized that overall success for college freshmen as measured by grade point average (GPA) is a function of IQ scores (X1), hours spent studying each week (X2), and one's high school average (X3). Suppose the regression equation i..
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