Because of the ongoing pandemic, output has declined below its long-run equilibrium. The government is then interested in pushing output back to its original level. Demonstrate what happens Using the Keynesian Cross and IS-LM Model, demonstrate how output and the real interest rate changes from the Short-run to the Long-run if the government implements policy that raises output back to its full-potential. (posted earlier, but explanation was insufficient with SR and LR)

. A stock sells for $110. A call option on the stock has an exercise price of $105 and expires in 43 days. If the interest rate is 0.11 and the standard deviation of the stock’s return is 0.25. a) Calculate the call using the Black-Scholes model b) What would be the price of a put with an exercise price of $140 and the same time until expiration? c) How does an increase in the volatility and interest rate changes affect the underlying stock’s return on an option’s value? Explain.

3.Following 2 decades of relatively low fertility, the US had a baby boom (sharp increase in fertility) from about 1950 to 1970, then declining fertility since then. [15 points] a.Draw and explain age pyramids for the US in 1990 and 2020. b.What is the NAIRU? What do the letters stand for, and what does it mean in plain English? c.Explain how changes in US fertility over time and the shape of the age pyramids affected the NAIRU in 1990 and 2020.

What are the quantum mechanisms behind the emission and absorption of thermal radiation at and below room temperature? If the relevant quantum state transitions are molecular (stretching, flexing and spin changes) how come the thermal spectrum is continuous? What about substances (such as noble gases) which don't form molecules, how do they emit or absorb thermal radiation? Is there a semi-classical mechanism (with the EM field treated classically) and also a deeper explanation using the full apparatus of QFT?

Kinetics of the Oxidation of a Water Soluable Dye: Explain the following three factors - (1) Discuss the kinetics of the oxidation reaction of blue dye (used as a food coloring) by common household bleach, (2) talk abouthow to determine the reaction order of this oxidation with respect to bleach and dye, and lastly, (3) talk about the quantitative and qualitative measures of how changes in temperature affect the reaction rate (provide a graphical illustration relating the significance of the integrated rate laws. Thanks!

What strategies can be employed to keep a constant cash balance? Suppose a corporation had as one objective maintaining its present level of cash. As the company grows and operates, what operational and financial strategies might follow or become necessary? What changes might have to be made? I am not speaking of cash management techniques per se (cash sweeps, commercial paper, etc) but company strategy being influenced by adopted financial policies.

Astro Corporation was started with the issue of 5,300 shares of $11 par stock for cash on January 1, 2018. The stock was issued at a market price of $20 per share. During 2018, the company earned $58,050 in cash revenues and paid $38,894 for cash expenses. Also, a $3,300 cash dividend was paid to the stockholders.

Required:

Prepare an income statement, statement of changes in stockholders’ equity, balance sheet, and statement of cash flows for Astro Corporation’s 2018 fiscal year.

Consider two containers A and B where A is a rigid container and B is a container with a massless, frictionless piston that maintains constant pressure. NH₃ (g) is injected into both containers and allowed to come to equilibrium. At equilibrium, 2 atm of Argon gas is injected into each container. Explain any changes (up, down or no change) to the equilibrium concentrations of NH₃ , N₂ and H₂ ?

a) do the partial pressures of container A change or remain the same?

b) what happens to the volume in container B?

Examine the various exchange rate policies implemented by Turkey since 1980 in the context of expenditure-switching and expenditure-
changing purposes. Give specific examples and indicate the years or periods. By using data, explain which policy was more effective for each period. Answer whether changes after the 2000s can be classified under a different category. In your response, make use of proper terminalogy, evidence, ratios, and theoratical background you learned during the course.

Examine the various exchange rate policies implemented by Turkey since 1980 in the context of expenditure-switching and expenditure-
changing purposes. Give specific examples and indicate the years or periods. By using data, explain which policy was more effective for each period. Answer whether changes after the 2000s can be classified under a different category. In your response, make use of proper terminalogy, evidence, ratios, and theoratical background you learned during the course.