On the basis of quartely sales (in lakhs) of a certaincommodity for the years 2003-2004 followingcalculations were made:Y = 20 +0.5 r with origin at 1st quarter of 2003.%3DAre = time unit = one quarter and Y= quarterly sales(in $)Seasonal variations.Quarter IiiiiiivSeasonal index 8090120110Estimate the quarterly sale for the year 1990 usingmultiplicative model.

introduction In this question we have to Estimate the quarterly Sale for the year 1990 using…

Answered: On the basis of quartely sales (in…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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A manufacturing firm, Caleb Corp, produces and sells product in its home (US) market, and in a foreign market. There is inherent risk in the revenues collected from the foreign market due to volatility in the exchange rate. Under a benchmark strategy, all of the production takes place in the home country. The resulting expected profits for Caleb Corp are variable, due to variation in the exchange rate. As an approximation, the firm has estimated profits for five possible ranges of the exchange rate, with profit represented as a lottery, L= (.2, 150; .2, 200; .3, 220; .2,250; .1, 270) The probabilities are estimated probabilities for the different ranges. The outcomes in this lottery are the estimated final profit levels (not changes in profit). (a) Calculate the expected profit if the firm follows this benchmark strategy, i.e., E(L)
A manufacturing firm, Caleb Corp, produces and sells product in its home (US) market, and in a foreign market. There is inherent risk in the revenues collected from the foreign market due to volatility in the exchange rate. Under a benchmark strategy, all of the production takes place in the home country. The resulting expected profits for Caleb Corp are variable, due to variation in the exchange rate. As an approximation, the firm has estimated profits for five possible ranges of the exchange rate, with profit represented as a lottery, L= (.2, 150; .2, 200; .3, 220; .2,250; .1, 270) The probabilities are estimated probabilities for the different ranges. The outcomes in this lottery are the estimated final profit levels (not changes in profit). Now suppose the firm can also buy forward contracts on foreign currency to neutralize the effect of the exchange rate on profits. Assume that these provide complete hedging, but that it involves an additional cost, so that following the…
What kind of effects are reported in the tables for Tobit (are these marginal effects or not?). Explain if marginal and if not marginal why?
t Date Rate 1 1-Apr-04 1.8564 2 2-Apr-04 1.8293 3 5-Apr-04 1.8140 4 6-Apr-04 1.8374 5 7-Apr-04 1.8410 6 8-Apr-04 1.8325 7 9-Apr-04 1.8322 8 12-Apr-04 1.8358 9 13-Apr-04 1.8160 10 14-Apr-04 1.7902 11 15-Apr-04 1.7785 12 16-Apr-04 1.8004 13 19-Apr-04 1.8055 14 20-Apr-04 1.7914 15 21-Apr-04 1.7720 16 22-Apr-04 1.7684 17 23-Apr-04 1.7674 18 26-Apr-04 1.7857 19 27-Apr-04 1.7925 20 28-Apr-04 1.7720 21 29-Apr-04 1.7751 22 30-Apr-04 1.7744 23 3-May-04 1.7720 24 4-May-04 1.7907 25 5-May-04 1.7932 26 6-May-04 1.7941 27 7-May-04 1.7842 28 10-May-04 1.7723 29 11-May-04 1.7544 30 12-May-04 1.7743 31 13-May-04 1.7584 32 14-May-04 1.7572 33 17-May-04 1.7695 34 18-May-04 1.7695 35 19-May-04 1.7827 36 20-May-04 1.7710 37 21-May-04 1.7880 38 24-May-04 1.7908 39 25-May-04 1.8135 40 26-May-04 1.8142 41 27-May-04 1.8369 42 28-May-04 1.8330 (a) Make a line chart and fit an m-period moving average to the exchange rate…
suppose Zenos Manufacturing is contemplating investing in a new business. An existing company in the target industry has an equity beta of 0.90 but is very conservatively financed with a market value, equity-to-value ratio 95%. Zenos intends to use an equity-to-value ratio of 30%. What beta should Zeno use in estimating a cost of capital in the new business?
a sample of 4 students was taken and information about daily pocket money in tl (Y) and spending in tl (x) was collected
The general fund budget (in billions of dollars) for a U.S. state for 1988 (period 1) to 2011 (period 24) follows. -Develop a linear trend equation for this time series to forecast the budget (in billions of dollars). (Round your numerical values to three decimal places.) -What is the forecast (in billions of dollars) for period 25? (Round your answer to two decimal places.)
What is the adjusted Exponential Smoothing forecast for Year 4, Q1 using alpha = 0.3 and beta = 0.5? What is the predicted annual demand for year 4? What is the seasonally adjusted forecast for year 4, Q1?
Strands of human hair absorb elements from the bloodstream and provide a historical record of both health and the use or nonuse of chemical substances. Hair grows at the rate of about one – half inch per month, and a person with long hair might be accused or absolved on the basis of a segment of hair that sprouted many months or years ago. By separately analyzing sections of the hair strand, scientists can even approximate the periods of time during which drug use was heavy, moderate, light or altogether absent. If a transit employee provides a strand of hair for drug testing, state the null and alternative hypothesis in verbal terms, then identify what would constitute a Type I error and Type II error in this situation.
The analysis of tooth shrinkage byC. Loring Brace and colleagues at the University of Michigan’s Museum of Anthropology indicates that human tooth size is continuingto decrease and that the evolutionary process has not yetcome to a halt. In northern Europeans, for example, tooth sizereduction now has a rate of 1% per 1000 years. What will be our descendants’ tooth size 20,000 years from now (as a percentage of our present tooth size)?
Suppose the incidence rate of myocardial infarction (MI)was 5 per 1000 among 45- to 54-year-old men in 2000.To look at changes in incidence over time, 5000 men in thisage group were followed for 1 year starting in 2010. Fifteennew cases of MI were found. Suppose that 25% of patients with MI in 2000 died within24 hours. This proportion is called the 24-hour case-fatalityrate. >Suppose we eventually plan to accumulate 50 MIcases during the period 2010–2015. Assume that the24-hour case-fatality rate is truly 20% during this period.How much power would such a study have in distinguishingbetween case-fatality rates in 2000 and 2010–2015 if atwo-sided test with significance level .05 is planned?
Suppose the following are the seasonal indices for the first three quarters of the year for a quarterly series: Quarter Seasonal Index Q1 70.3 Q2 81.4 Q3 107 Remember that the seasonal indices should average 100 so you should be able to infer the seasonal index for Q4. Furthermore, suppose that the estimated coeffcients from a regression of the deseasonalized series on Time are given below: Coefficients Intercept 2,345 Time 62.4 What is the forecast for period 104, if period 104 is a Q4? (please round your answer to 1 decimal place

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