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What is the fundamental problem of econometrics? 2. Explain in words and with the formula we derived for the difference between two means how randomized control trials solve the fundamental problem of econometrics.
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- Problem 4 A person has been mugged in the street by a thief, and there are n witnesses. All of the witnesses prefer someone else to chase the thief but none of them want to be the person trying to catch her. Each person gets 0 utility if the crime goes unreported, v if the crime is reported by someone else, and v −c if they report the crime. Moreover, we assume that the cost of chasing the thief is less than the utility of catching the thief: c < v. a. Define the strategic game described above. b. Find players’ best responses. c. Find the Nash equilibria of the game.Ex 8. An airline's data indicate that 50 percent of people who begin the online process of booking a flight never complete the process and pay for the flight. To reduce this percentage, the airline is considering changing its website so that the entire booking process, including flight and seat selection and payment, can be done on two simple pages rather than the current four pages. A random sample of 300 customers who begin the booking process are exposed to the new system, and 117 of them do not complete the process. a. Formulate the null and alternative hypotheses needed to attempt to provide evidence that the new system has reduced the noncompletion percentage. b. Use critical values to perform the hypothesis test by setting α equal to .10, .05, .01, and .001The city council hired three college interns to measure public support for a large parks and recreation initiative in their city. The interns mailed surveys to 500 randomly selected participants in the current public recreation program. They received 150 responses. In this case, which of the following is the population of interest? A.O The participants who support the initiative B.O All members of the community C.O All participants in the city's recreation program D.O The 150 people who responded E. The 500 people who got the survey
- isnt there only one unique outcome of iterated elimination?Consider the experiment of a toss of two coins. A: observes one head.B: observes two heads. Find P(A) and P(B). Group of answer choices P(A) = 0.1 and P(B) = 0.2 P(A) = 0.25 and P(B) = 0.25 P(A) = 0.5 and P(B) = 0.25 P(A) = 0.25 and P(B) = 0.5 P(A) = 0.5 and P(B) = 0.5To perform a certain type of blood analysis, lab technicians must perform two procedures. The first procedure requires either one or two separate steps, and the second procedure requires either one, two, or three steps. a. List the experimental outcomes associated with performing the blood analysis. - Select your answer - b. Let x denote the total number of steps required to do the complete analysis (both procedures). Show what value of random variable will assume for each of the experimental outcomes. (If an outcome does not occur, enter "0".) Experimental Outcomes Value of x (1) (2) (3) (1, 1) (1, 2) (1, 3) (2, 1) (2, 2) (2, 3) (3, 1) (3, 2) (3, 3)
- The following is an excerpt describing the Oregon Medicaid lottery: In 2008, Oregon implemented a limited expansion of its Medicaid program for low-income adults through a lottery, selecting names from a waiting list to fill a limited number of available spots. Those selected had the opportunity to apply for Medicaid and to enroll if they met eligibility requirements. Based on the description, you might describe the Oregon Medicaid lottery as a: randomized experiment "As if random" natural experiment a true natural experimentOnly one of the options given is the correct answer. Please provide a mathematical explanation for your answer (i think its c).TRUE/FALSE One reason that tax revenue may fall when tax rates are increased is due to tax evasion, that is, the higher the tax rate, the higher the probability of the tax evasion and thus, lower tax revenue. The example I used was when Canada quadrupled the tax rate on cigarettes Canadian citizens sought out to buy illegally smuggled in US cigarettes to evade the tax on Canadian cigarettes.
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