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What are the implications of IS and LM
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- Laffer curve In the 1980s, president Reagan based his tax and spending policies on supply side eonomics. The idea behind supply side economics is the marginal tax rate is so high it discourages work. Cutting the tax rate would end up increasing tax revenue. We develop a simple model of this idea to determine the restrictions on the utility function required to generate a Laffer curve. Let T denote the tax rate, w is the real wage rate and n the labor supply. The tax revenue is T=wnT where wn is labor income, which is the tax base. For convinience assume w is constant. There is no reason for this assumption to be true, but we impose it to focus on the restrictions on the utility function to generate the Laffer curve. As the tax rate T increases, workers substitute towards leisure and away from consumption. Hence as T rises, wn falls and tax revenues falls for high enough tax rates. Let U,V satisfy the standard assumptions. The model is static and households are endowed with one unit of…Find the area under the standard normal curve to the left of z=0.21�=0.21. Round your answer to four decimal places, if necessary.I need help soon as possible I have hour and half to finish please.
- The accompanying table shows the average annual wage for a country, in thousands of dollars, for selected years from 1970 and projected to 2040. a. Find an exponential function that models these data, with x equal to the number of years after 1970 and y equal to the average annual wage in thousands of dollars. b. Graph the model and the data on the same axes. c. What does the model predict that the average annual wage will be in 2030? Is this interpolation or extrapolation? d. When does the model predict that the average annual wage will reach $230,000? a. The equation of an exponential function that models the data is y=. (Use integers or decimals for any numbers in the expression. Round to three decimal places as needed.) b. Graph the model on the same axis as the data. Choose the correct graph below. All graphs are shown in a [0,70,10] by [0,250,50] viewing window. OA. OB. c. According to the model, the average annual wage in 2030 will be $ thousand. (Round to one decimal place as…How to test the presence of autocorrelation.Explain which of the following is the independent variable and which is the dependent variable for each of the following examples. Once you determine the price of a flash drive at the college bookstore, you will decide how many flash drives to buy. You will decide how many credit hours to register for this semester once the university tells you how many work-study hours you will be assigned. You anticipate earning a higher grade on your economics exam because you studied more hours in the weeks preceding the exam.
- Clearly explain the derivation of the LM curve. In your explanation, you should distinguish between the traditional, positive-sloping LM curve and the modern horizontal LM curve. No graphs are required.Economics Michelle is a saver, and consumption in period 1 is a normal good. If there is an increase in the interest rate: Group of answer choices Both the substitution and income effects will decrease consumption in period 1. Cannot be determined without additional information. The substitution effect will increase consumption in period 1, whereas the income effect will decrease it. Both the substitution and income effects will increase consumption in period 1. The substitution effect will decrease consumption in period 1, whereas the income effect will increase it.13. Suppose that AS = 3SAT + 2SAX and that today's price is S(0) = 50. Find (i.e., derive) the PDF for the price of S(1), the price one year from now.
- Tim is buying pizza and salad for a company lunch. Suppose that a slice of pizza costs $4.00, and a bowl of salad costs $5.00. Let ♬ be the amount in dollars that Tim spends on pizza and salad. If Tim buys P slices of pizza and S bowls of salad, then the total amount of money he spends (B) can be represented by the equation Now rearrange the equation you wrote above so that S is written in terms of E and P. The quantity of salad he buys can be represented by the equation Suppose Tim has $40.00 to spend on pizza and salad; that is, E = $40.00. Complete the following table with the values of P or S that make the equation true. Hint: To complete the first row, determine the number of salad bowls Tim can purchase with $40.00, when the number of pizza slices he purchases is 0. Budget Pizza (Dollars) (Slices) 40.00 0 40.00 5 40.00 Use the black line (plus symbols) to plot the line illustrating the combinations of pizza and salad that Tim can purchase with a budget of $40.00. SALAD (Bowis) 14…Economics is the most quantitative of the social sciences. You will see countless tables and graphs. Consider the slope of curve Z in the following graph. 80 60 of 40 20 0 00 a N b negative. DR 10 At Point A, the slope is positive A a 20 B first positive then negative. B first negative then positive. indeterminate from this information 30 C 40 b N 50 с 60 4An economist is interested in how the price of a certain item affects its monthly sales. At a price of $p, a quantity, q, of the item is sold each month. Suppose that we write q=D(p). Using complete and descriptive sentences, explain the meaning of each of the following statements: a) D(500) = 2,000. b) D'(500) =-25.
