Answers: Gross investment equals net investment minus depreciation. Net investment is the same as capital consumption. Gross investment is the total spent on capital. Net investment i

The ultimate source of wealth and economic growth is

the ultimate source of wealth and economic growth is: a) based upon the amount of natural resources a country has b) the human brain c) determined by the amount of navigable rivers a territory possesses d) based upon the type of w

Select one: a. either increasing the amount of the variable input used or increasing the amount of the fixed input used. b. only by increasing the amount of the variable input used. c.

The term "statistical significance" is commonly applied to a p-value of

[html]Question 1.Assume a study indicates that attending a class on blackjack strategy improved average winnings by 50 percent. If the null hypothesis is true and the p-value for the 50 percent improvement in winnings is 0.

Assume a study indicates that attending an SAT preparation class improved average SAT scores by 200 ...

[html]Question 1.A ________ p-value means the probability is ________ of getting the result you find in the sample data if the null hypothesis is true.

Dierdre just gave birth to twins and now finds herself buying diapers on a weekly basis. Therefore, ...

[html]Question 1.Sherrie owns a pickup truck and also owns a parrot. Therefore, we can conclude that there is a causal relationship between owning the pickup truck and the parrot for Sherrie.

If people who own cats tend to have fewer mice on their property, we can say there is a negative ...

[html]Question 1.If people who have children also tend to own dogs, we can say there is a positive correlation between having children and dog ownership.

A method for identifying causality by looking at the way in which the average change over time in ...

[html]Question 1.A strategy that identifies the causal effects of a policy or factor by looking at two samples that lie on either side of a threshold or cutoff is called intention to treat.

Regression discontinuity is a method in which two groups are compared based on whether they were ...

[html]Question 1.If the values of two variables move together, there is said to be causation, and if one variable results in a change in another variable, they are said to be correlated.

A research project is conducted by offering a randomly selected 75 of the 200 local dog owners a ...

[html]Question 1.A procedure in which two groups are compared based on whether they were part of an initially specified random sample subjected to an experimental protocol is called

Bethany notices that whenever she receives a text message, her roommate Stella is playing her tuba. ...

[html]Bethany notices that whenever she receives a text message, her roommate Stella is playing her tuba. She concludes that Stella's tuba playing is causing her to receive text messages. Bethany is

Zachary notices that every time he washes his car, it rains the next day. He concludes that washing ...

[html]Zachary notices that every time he washes his car, it rains the next day. He concludes that washing his car causes the next day's rain. Zachary is

▸ definitely confusing correlation with causation.

Rolando realizes that whenever he studies for at least two hours immediately before a physics exam, ...

[html]Rolando realizes that whenever he studies for at least two hours immediately before a physics exam, he gets an A on the exam, but when he does not study immediately before an exam, he gets no higher than a C on the exam. He concludes that th

Clarissa notices that her satellite TV signal becomes scrambled whenever there is a major ...

[html]Clarissa notices that her satellite TV signal becomes scrambled whenever there is a major thunderstorm in her area. She concludes that the scrambled satellite signal must be causing the severe thunderstorms. Clarissa is

Daniel notices that every year with a mild winter, his roses begin to bloom in February, but every ...

[html]Daniel notices that every year with a mild winter, his roses begin to bloom in February, but every year with a severe winter, his roses do not begin to bloom until April. He concludes that the severity of the winter is responsible for the mo

Debbie realizes that her twin brother Dudley breaks out in hives every time he eats oysters, and ...

[html]Question 1.Tatiana observes that all of her friends who have more than five tattoos also have more than five body piercings, and concludes that getting multiple tattoos makes people also get multiple piercings. Tatian

Ravi notices that all of his neighbors who own cats are also divorced, and concludes that cat ...

[html]Question 1.Suppose that a study is released stating that as people increase the number of times they brush their teeth each day, they increase the number of times they go to the gym each week. This is best described a

A World bank study conducted in Kenya found that as the proportion of vaccinated people in a village ...

[html]Question 1.In Rajasthan, India teachers in half of the community's schools were asked to have their pictures taken with their children, and this evidence of attendance fed into the compensation of the teacher. The res

China is politically authoritarian and does not have well-established property rights, ...

[html]Question 1.Microfinance is aimed at encouraging entrepreneurs among the very poorest parts of the developing world to relocate to high-income countries.