A model's parameters are defined as data that present information about multiple subjects at a given time. the numerical values that govern the strength of the relationships among variables in a model. data that present information about multiple subjects at various times. data that present information about a single subject at various times.
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- A causal effect of X on Y is defined as: Select one: a. either a positive, negative or non-linear relationship between X and Y when all other variables that affect Y are held constant b. a non-zero correlation between X and Y c. a positive relationship between X and Y d. either positive, negative or non-linear relationship between X and YPlease give a detailed solution with an explanation. Please make sure the graph is visible, clear, and detailed. Make sure to include the new equilibrium coordinate point as well.What is event modeling? Multiple Choice The event model adjusts data for each of the events identified to distort the trend and seasonal patterns of the time series. The event model adds a growth factor to the moving average as a way of adjusting for the event. The event model adds a smoothing constant for the events identified as important in the historical data. The event model initializes events so they can be selected to initialize or warm up the model.
- Question: 1. Please chose a topic you are interested in within social policy-education, health care, mental health etc. and write out a hypothetical regression estimation for this topic. Make sure to identify the ideal outcome variable, explanatory variable, and control variables.Questions 1 through 6 will ask you to consider the market for antibiotics. On November 23, 2022, the New York Times published a story titled “Flu and R.S.V. Hit the Holidays, Heightening Demand for Antibiotics and Antivirals”. You do not have to read the story to understand the setup of these questions. Please, carefully read each question to understand when these changes are introduced into the initial scenario. Here is what you should focus on to complete your analysis. For this analysis, assume the antibiotic market is perfectly competitive, demand is downward-sloping, supply is upward-sloping, and production technology results in traditional U-shaped MC, ATC, and AVC Finally, for all questions, assume market price is always greater than the minimum of the AVC You will be using the same graph in all questions that require a graph (Questions 1, 3, and 5), with each question asking you to add new elements to the graph as part of your analysis. QUESTION 2- Please refer to your…Correlation between X and Y can only be interpreted as a causal relationship of X and Y if: Select one: a. Y is unaffected by any variable that is correlated with X b. Y is an affected by any variable other than X c. Both A and B d. Y is unaffected by X in a linear way
- Variables typically included in a multivariate demand function (other than the price and quantity of the item the demand function represents) are consumer tastes and preferences, the number of buyers, spendable (disposable) income, prices of substitute goods, prices of complementary goods, advertising expenditures, weather, and expectations. Recalling that the price of the item being considered is placed on the vertical axis, and the quantity on the horizontal axis, the other variables are termed demand shifters. Please answer the following questions about the affect changes in other variables might have on the demand for the item. These changes will either cause demand to increase (shift right) or decrease (shift left). Use either word as applicable, for the short answer. If the price of a good increases because the demand for it increases, What would you expect the demand for its complement to do? If the demand for coffee beans increases, then what is likely to happen…11) Model A is superior to model B if A) it contains more real world detail than model B. B) it contains fewer unrealistic assumptions than model B. C) its predictions correspond more closely to the facts than the predictions of model B. D) it is preferred by a majority of researchers in a public opinion poll. E) it is scientifically "elegant." 12) In choosing among alternative models, economists generally have the strongest preference for models that A) have assumptions that are close to exact replicas of reality. B) are detailed and complex, with every available fact and figure included. C) have few assumptions and are as simple as possible, even if they cannot predict very well. D) predict better than any other that is available. E) have assumptions that are complicated. 13) A normative statement is a statement regarding A) what is usually the case. B) the assumptions of an economic model. C) what ought to be. D)…Economics you learned four steps that should be used to evaluate a regression model. What is the first step and why is it so important?