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1) Use plot of the stock return and consider the Autocorrelation Function to determine the auto-regressive structure of the data and explain why you think the return is stationary.
2) Use the information in (1) to estimate a univariate auto-regressive (AR) model of the return series (at the minimum estimate an AR(1) or AR(2) model).
3) Save the residuals from the model in (1) and use their square to run an auxiliary regression to test for ARCH.
4) Re-estimate the time series model either correcting for ARCH (using the GLS method in the lectures) or by augmenting the model by one or two dummy variables to correct for non-normality (any large shocks in the stock return).
Guidelines from Electricity Regulatory Commission The electricity companies have successfully adopted the guidelines issued through ERCs Utilities usually set their yearly KP
(a) A wye-connected generator is to be designed to supply a 20-kV three-phase line. Find the terminal line-to-neutral voltage of each phase winding. (b) If the windings of the g
Let both coherent ASK and coherent PSK systems transmit the same average energy per bit interval and operate on the same channel such that E b /N 0 = 18. Determine the bit-error p
Two pure sine waves have similar amplitude "A" and frequency "f." They are out of phase through 180 degrees. If these two signals are added, the resulting waveform will be:
1. Calculate the combined resistance of three resistors connected in series with resistance of 20 ohm, 30 ohm and 40 ohm? (to achieve a pass grade, solve problems with resisto
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Data bus The data bus is the group of 8 bit used to carry data. There line are bidirectional data can flow in both directions i e form microprocessor to peripherals
Q. A satellite radio transmitter has P in = 3 W and G t = 30 dB. The receiving antenna has a circular aperture with radius r at the ground station 30,000 km away. Find r in meter
Determine the shaft power output: A 6-pole, 50 Hz, 3-phase induction motor running on full load develops a useful torque of 180 Nm when the rotor emf frequency is 2 Hz. Determ
Q. What is the basic difference between the weighted resistor and the R-2 R ladder D/A converters?
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