What does stellar parallax help astronomers measure?

To calculate the mass of any planet (in units of solar masses) using the orbital properties of its moons, you must use the orbital period and orbital radius in what units? 

In the context of Buchanan and Tullock’s framework, suppose that an increase in polarization has raised the costs of decision-making. Additionally, external costs on the minority have increased as well. However, the decision-making costs have risen more significantly than the external costs. What is the effect on the equilibrium percent level of agreement and the total cost of collective decision-making?

Suppose Margaret and Thomas are the only two homeowners in the neighborhood. Margaret’s demand for clean streets is Q = 50 – 2P. Thomas’s demand for clean streets is Q = 40 – P. What is the socially optimal number of clean streets if the marginal cost of cleaning them is $35?

Long Answer Question. The response is worth 25 points. Question 27: Choose one of the four options below. The response should be written as a five paragraph essay. Option 1: What are the roles of prices in a market economy and what different methods exist to help guide decisions on resource allocation when market prices are not readily available? Option 2: What are the benefits and costs of federalism? Option 3: What are the three pillars of public choice and what difference does it make to evaluate political action through the lens of public choice? Option 4: To what extent are strong communities necessary for the preservation of liberty?

Which type of intergovernmental grant is likely to stimulate more local government spending on the targeted good or service, and why?

A good that is non-excludable and non-rival in consumption, is an example of a:

Which of the following BEST characterizes what it means for a market to fail?

Which of the following refers to taxing individuals for a public good according to their valuation of the benefit they receive from the good?

Single-use or disposable implements are used _____ on a client then discarded, preferable while the client can view it being done.