1. Guards patrolling the mall provide a service without rivalry: all the stores in the mall aresimultaneously protected. The demand for the electronics store, which suffer a big loss ifthieves strike, is Q1 = 9 – 0.5P, where Q1 is demand of guards per hour, and P is the priceof guard service. The ice-cream parlor, which loses less from a theft, demands fewerguards at any given price. Its demand is Q2 = 7 – P.A competitive market supplies as many guards as the stores want at $10.

(a) If stores act independently, what is the competitive market equilibrium? How manyguards each store will hire? Show the results mathematically and graphically.

(b) What is the marginal benefit to society of guard service, given that a guard patrollingthe mall protects both stores at once? Show and discuss your results with a graph.

(c) Is the competitive market equilibrium optimal to the society? If yes, explain why. Ifno, find the optimal level of guard service and explain why.

2. Two companies require identical skills and training from their workers. Both employ10,000 people. On average, Safety First has one worker fatality per year, while Safety Secondhas two worker fatalities per year. Jobs at Safety First pay $50,000/year, while jobs at SafetySecond pay $50,500/year.

(a) Why do these jobs with identical requirements pay different salaries, based on theinformation presented here?

(b) What is the risk for a worker of a fatal accident at each company? What is the paypremium associated with the higher risk?

(c) The value of a statistical life is the difference in wage divided by the difference in risk.What is the value of a statistical life for workers with these skills and training?

(d) Do you expect this value of a statistical life to be appropriate for the population as awhole? Why or why not?

 

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GTPAL stand for: gravida, term, preterm, abortions, living

Gravida: how many pregnancies a woman has had. Term how many pregnancies delivered that have reached or surpassed 37 weeks. 

Term: deliver at 37 or greater weeks

Preterm: how many pregnancies between 20-37 (actually 36 and 6/7) wks

Abortion: pregnancy loss at less than 20 weeks. Abortions may also be induced by physicians or spontaneously.

Living: how many children are living now?: 

***Multiple births (twins, triplets and higher multiples) count as one birth

1. This is mom’s 1st pregnancy:

2. 2nd pregnancy and she had an AB at 8 wks for the 1st pregnancy 

3. 3rd pregnancy. 1st pregnancy delivered at 38 and 2nd pregnancy was twins delivered at 29 wks. 1 of those children died. 

4. 2nd pregnancy. Delivered twins at 37 wks both live pregnancy. 

5. 3rd pregnancy. Delivered triplets at 28 wks and 2 of the babies survived. Had an elective AB at 6 wks. 

6. This is a woman’s 5 pregnancies,  births at 41 week, 39 5/7 weeks, 38 6/7 and 36 5/7 weeks 1 induced abortion at 10 weeks , and 4 living children at this time. 

7. a pregnant woman who carried one pregnancy to term with a surviving infant; carried one pregnancy to 35 weeks with surviving twins; carried one pregnancy to 9 weeks as an ectopic (tubal) pregnancy; and has 3 living children would have a GTPAL annotation of? 

8. A woman who has given birth at term once and has had one miscarriage at 12 weeks would be recorded as?

Rubric: 

This assignment is worth 5 points. 1 point for APA and style of paper. 

.5 point for each of the eight cases. Partial points are not awarded if you get part of a case incorrect you get the whole case incorrect.  Use page 259 in your text book for further details. Explain your rationale. Demonstrations will be done in class. 

 

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Please see the attached pictures. add 2 classes to the point class.

Class Rectangle represents a 2D (axis-parallel) rectangle that a user can draw on a computer screen. Think of a computer screen as a plane where each position has an x and a y coordinate. The data (i.e. atrributes) that each object of type Rectangle should have (and that should be initialized in the constructor, i.e., __init__ method of the class Rectangle) are: * two Points: the first point representing the bottom left corner of the rectangle and the second representing the top right corner of the rectangle; and, * the colour of the rectangle Note that the two points (bottom left and top right) completely determine (the axis parallel) rectangle and its position in the plane. There is no default rectangle. (see drawings_part2.pdf file for some helpful illustrations) The __init__ method of Rectangle (that is called by the constructor Rectangle) will take two objects of type Point as input and a string for the color). You may assume that the first Point (passed to the constructor, i.e. __init__) will always have smaller than or equal x coordinate than the x coordinate of the second Point and smaller than or equal y coordinate than the y coordinate of the second Point. Class Rectangle should have 13 methods. In particular, in addition to the constructor (i.e. __init__ method) and three methods that override python’s object methods (and make your class user friendly as suggested by the test cases), your class should contain the following 9 methods: get_bottom_left, get_top_right, get_color, reset_color, get_perimeter, get_area, move, intersects, and contains. Here is a description of three of those methods whose job may not be obvious from the test cases. * Method move: given numbers dx and dy this method moves the calling rectangle by dx in the x direction and by dy in the y-direction. This method should not change directly the coordinates of the two corners of the calling rectangle, but must instead call move method from the Point class. * Method intersects: returns True if the calling rectangle intersects the given rectangle and False otherwise. Definition: two rectangles intersect if they have at least one point in common, otherwise they do not intersect. * Method contains: given an x and a y coordinate of a point, this method tests if that point is inside of the calling rectangle. If yes it returns True and otherwise False. (A point on the boundary of the rectangle is considered to be inside). 

Class Canvas represents a collection of Rectangles. It has 8 methods. In addition, to the constructor (i.e. __init__ method) and two methods that override python’s object methods (and make your class user friendly as suggested by the test cases), your class should contain 5 more methods: add_one_rectangle, count_same_color, total_perimeter, min_enclosing_rectangle, and common_point. Here is a description of those methods whose job may not be obvious from the test cases. * The method total_perimeter: returns the sum of the perimeters of all the rectangles in the calling canvas. To compute total perimeter do not compute a perimeter of an individual rectangle in the body of total_perimeter method. Instead use get_perimeter method from the Rectangle class. * Method min_enclosing_rectangle: calculates the minimum enclosing rectangle that contains all the rectangles in the calling canvas. It returns an object of type Rectangle of any colour you prefer. To find minimum enclosing rectangle you will need to find the minimum x coordinate of all rectangles, the maximum x coordinate for all rectangles, the minimum y coordinate and the maximum y coordinate of all rectangles. * Method common_point: returns True if there exists a point that intersects all rectangles in the calling canvas. To test this (for axis parallel rectangles like ours), it is enough to test if every pair of rectangles intersects (according to a Helly’s theorem for axis-alligned rectangles: http://en.wikipedia.org/wiki/Helly’s_theorem ). *** Finally recall, from the beginning of the description of this assignment that each of your methods should have a type contract.

• Attachment 1
• Attachment 2
• Attachment 3
• Attachment 4
• Attachment 5

> > > r1r1=Rectangle(Point( ), Point( 1,1), "red" )Rectangle(Point (0,0), Point(1,1), ‘red’ )>>> rl.get_color( )’red’> > > r1.get_bottom_left( )Point(0,0)>>> rl.get_top_right( )Point(1, 1)> > > r1. reset_color( "blue" )> > >’bluerl.get_color( )> >> r1Rectangle(Point (0, 0), Point(1, 1), ‘blue’ )> > > r1. move( 2, 3)> > >r1Rectangle(Point (2, 3), Point(3,4), ‘blue ‘ )> > >> > > print(r1)I am a blue rectangle with bottom left corner at (2, 3) and top right corner at (2, 3) .> > >> > > r> > > r2r2=eval(repr(r1) )> > >Rectangle(Point (2, 3) , Point(3,4), ‘blue’ )> > > r1 is r2False> > > r1==r2True> > > r3=Rectangle(Point( ), Point(2, 1), "red")> > > r3 . get_perimeter ( )r4=Rectangle(Point(1, 1), Point(2, 2.5), "blue" )> >> r4.get_area ( )1.5> > > r5=Rectangle(Point (1, 1), Point(2, 2.5), "blue")> > > r4 == r5True> > > r4 is r5False> > >> > >> > > 1r=Rectangle(Point(1,1), Point(2,5), "blue" )> > > r. contains(1.5,1)True> > > r. contains(2, 2)True> > >r. contains(0, 0)> > >> > >> > >> > >===== RESTART ===> > >> > >>> > r1=Rectangle(Point (1, 1), Point(2, 2), "blue" )r2=Rectangle(Point (2, 2.5), Point(3, 3),> > > r3=Rectangle(Point(1. 5, 0), Point(1.7, 3) , "red" ), "blue" )> > >> > > print(r3)

 

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Guidelines and Directions

Here are your guidelines for successful completion of this assignment.

First, carefully read both Appendix 1 and Appendix 2 in your Coulter text. Second, apply Coulter’s guidelines to analyze the the Southwest Airlines case on pages 250-253 of your Coulter text. Be sure to follow all of Coulter’s guidelines for case analysis with three exceptions. These are that the case must be updated to present day, the financial analysis must conform to the guidelines on page 232 of your course text, and the ethical implications of your recommendations must always be adequately discussed.

In addition, either bullet or paragraph forms of writing are equally acceptable.Your cases may be done individually, must be submitted only to the designated drop location, must be in PDF format, and must be double-spaced with appropriate citations (citation format is your choice, but whatever you choose must come from a well-accepted style.) Exam length should be approximately ten pages, and team papers should have the team name onthe first page. Tests with an originality score that exceeds 10 % are not acceptable, and careful attentionto grammar and writing logic is expected. Grading criteria will be the following (each factor has equal weight) :Incorporation of Coulter’s guidelines in Appendices 1 & 2Writing mechanics and clarityConcept applications and supportEthical implications of recommendations

Basically, a case analysis of Southwest Airlines using most recent information.

Name your price.

 

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