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Can you suggest a better way to assign treatment levels? Why is your proposal better than the researcher's method?
Explain why the OLS regression estimated in (a) is inappropriate for estimating the causal effect of fertility (morekids) on labor supply (weeksworked).
Explain how you would specify a nonlinear regression to model this shape. Can you think of an economic relationship with a shape like this?
Determine the mean and the median earnings of celebrities. Obtain boxplots of log(earnings) stratified by celebrity. Comment.
What is the expected price of a two-story house of 4,700 sq. ft. with three bedrooms, two bathrooms, driveway, no recreational room and full finished basement.
Obtain the usual diagnostic statistics using influence.measures(). Which observations are influential? To which states do they correspond?
Replicate the OLS results from Nonneman and Vanhoudt and subsequently compare them with the resistant LTS results by adopting the strategy of Zaman et al.
Replicate the LAD regression (i.e., the quantile regression with t = 0.5) results from Bierens and Ginther (2001) using these covariates.
Analyze the DoctorVisits data, taken from Cameron and Trivedi (1998), using a Poisson regression for the number of visits. Is the Possion model satisfactory?
Explore a Poisson regression and some of its variants, and be sure to check whether the models accommodate the many zeros present in these data.
What role does the central limit theorem play in statistical hypothesis testing? In the construction of confidence intervals?
How much will a one standard deviation increase in the Singapore's Straits Time Index (STI) affect the country's real effective exchange rate?
When the exponents of a Cobb-Douglas production function sum to more than 1, the function exhibits
Use the regression report below to write down the equation from these results.
"It is easier to build an economic model that accurately reflects events that have already occurred than to build an economic model to forecast future events."
Using the high-low method, determine an equation for electricity cost (Y) as a function of units produced (X). Assume a linear function.
You have been hired as an economic analyst, your job is to use the Regression Model to estimate potential sales of your employer's product.
Overheard at the water cooler: My regression model of demand is better than the one that the consultant prepared for us because it has a higher R2.
The nonprofit’s mission is to ensure that rural populations worldwide have access to health and sanitation-related supplies.
Which regression is recommended for forecasting future sales and price?
What is the connection between economies of scale and the short run average variable cost?
A firm experiences increasing returns to scale; that is, doubling all its inputs more than doubles its output. What can be inferred about firm's short-run costs
Find the slope and the intercept term for Final = a + b Exam1. Please show work/steps.
Question: A labor economist estimates a regression of log earnings on schooling (s), experience (e), ability (a, as measured by IQ),
The company uses the information from previous years to make its sales forecast. Develop Regression graph for this problem.